* Pages/Achievements
 * display additional crosslinkable conditions from achievement_criteria_data

* comments/formating
 * added missing whitespace betweeen date and patch version
 * reordered dmy to fit selected locale.

* Page/Header
 * send 404 if an incorrect page or typeId was requested

* Home/Featuredbox
 * allow defining a time span during which the box should be displayed
 * added fields optional fields to point to diffenret header and home logos for the duration

* Libs/jQuery
 * updated to 1.12.4 (plus compatibility changes in affected javascripts)
 * fixed double escapes on featuredbox text
 * fixed rogue whitespace

* Setup/Items
 * fixed an sql error by forgotten var

* Types/Items
 * prevent a possible recursion occuring when preparing ItemSources

* Setuo/enchants
 * reduced overhead by directly querying for spells instead of wrapping them in a SpellList (that functions i didn't neeed)
 * skip enchantments from items without source

* Spell/Procs
 * updated to get data from new table
 * fixed proc data being displayed for unprocable effects

* Setup/Misc
 * wrap LEFT JOINed fields in IFNULL() to prevent errors on setup
 * also adapt to changed TC table structure
 * add ORDER to prevent skipping entries, if not already ordered in source table

* Setup/Titles
 * fixed title sources, where one title has multiple sources

* Setup/Misc
 * fixed complexImage always selecting images for LOCALE_EN if able
 * fixed serverside events being displayed in the calendar
 * set initial memory limit to 4GB
 * set initial db_version to current version (forgotten to do that for a long time :x )
 * updated README.md and .gitignore; revision incremented

* User/Weightscales
 * saving now always updates the name
 * name is now urldecoded

* Setup/Zones
 * fixed flagging valid zones as hidden if no displayable map was present

* Misc
 * ignore one more generated file
 * also its 2017 already

* Setup/Creature
 * fixed sync for creature_template_locale

* Item/Tooltip
 * fixed quote in faction link

* Items/Currency
 * do not display unique-limited amount on item if currency token
 * display as cap on currency page instead

* Spells/Description
 * support parsing another form of formula
 * mod regen auras (mostly food) have an implicit periode of 5sec.

* Spell/Trainer
 * do not use trainer templates when getting trainer by spell

* Item/Shared CD
 * items should not share a cooldown with themself

* Forms/Placeholder
 * removed placeholder text images for input fields
 * readded text as placeholder attribute

* Articles
 * escape article content again
 * restore home logo on maintenance page

* Nav/RedButtons
 * pass parameters as ready to use - objects

* Config/Locales
 * if your current language becomes invalid select the first viable one instead of defaulting to LOCALE_EN

* Screenshots
 * aproving a screenshot now flags the corresponding db entry as having a screenshot
 * deleting & moving screenshots works equivalent
 * instancing a new TypeClass without parameters no longer grabs everything from the corresponding tables ( pass a "[true]" to retain this behaviour)
 * retroactively flag db entries for having screenshots
 * fixed a typo

* Whoops
 * partially revert 99760d7c7266668318a2f578c0d31bd6c2270ed9
 * fixed another type on quests list page
 * added default cases for empty data to pets and races list pages
 * improved typelist iterator to be recursively callable

* Fixup
 * access class property in screenshot/comment-admin by function. Aowow is compatible with PHP 5.5 again
 * changed line-endings across the board from \r\n to \n

* Fixup
 * added missing brackets from copypasta-disaster

* Setup/Creatures
 * hide creatures for internal use from listviews
 * correct Nightelf Player faction
 * trying to enforce strict line endings

* Spells/Tooltips
 * fixed range display when friend- and foe-distances differ
 * fixed interpretation of $l-switch

Item/DetailPage
 * do note prepare unnessecary data for the currency-for tab (eases load)

* implementation of Sound DB

Client sounds are cross-referenced with as many other DB-Types as possible. Including, but not limited to:
 * Character VOs (Errors, Emotes)
 * Creature VOs (Boss Dialogue)
 * Zone Music and Ambience
 * Sounds triggerd by spells
 * Sounds from general item/spell usage, creature behavior

Restrictions:
 * only one locale is supported. Choose wisely!

* revision push

* Setup/ItemEnchantment
 * updated setup to for https://github.com/TrinityCore/TrinityCore/commit/f609e7a08b3b4d2d9642e5ec252e1eedad836f0f

* Misc
 * edited example in README.md to be more clear
 * fixed a typo in RedButton template.
 * fixed a typo in comment ajax. Can now use sticky again.
 * fixed a logic error in comment reply js. do not line break image sources.

* Misc
 * fixed note in quest tab on zone detail page
 * fixed a notice when creating item tooltips while passing an empty randomEnchantment value
 * fixed currencies having no icons on zone detail page

* Pages/Quest
 * added map to quest detail page
 * some minor issues rooted in weired loot templates remain

* Localization/frFR
 * some touch-ups
 * thx @Endalaust

* Admin/Screenshots
 * restrict ability to irrevocably delete files to U_GROUP_ADMIN
Pages/Quests
 * be a tad more lenient when filtering excessive sources

* Spell/Effects
 * do not rely displayInfo for spell effects, that can occur multiple times per spell
Items/CurrencyFor
 * always send all currency-info to javascript (an item may require more then one to be bought)

* Spells/Tooltips
 * fixed parser for lastValue/gender-switch (previous pattern matched against that too)
 * also its a stupid idea to replace a var with itself

* Quest/Map
 * assign objective text to map pips if possible

* Items/Menu
 * fixed preselection of menu items on Items List Page
 * fixed display and preselection of 'Type' option list

* Articles/Races
 * added french translation (thx @Endalaust and his translators)

* Quests/Map
 * correctly apply styles to map selector
 * correcly prepare map selector string

* Spell/Detail Page
 * parse effect 103 (Reputation)
 * calc actual value from custom_reward_rate

* Reputation
 * apply reputation_reward_rate to rewards on Quest Detail Page
 * apply reputation_reward_rate to NPC Detail Page

* Template
 * merge text-page-generic into list-page-generic

* Markup
 * add some more options to tags (mostly directly setting class and style)

* Articles
 * distinguish between articles for dbpage and other articles
 * can be served by url instead of arbitrary picked type/typeId-pair
 * save access to article in db (not used yet)
 * serve correct g_pageInfo if on article-page

SiteReputation/Privileges
 * implemented info pages

* SiteConfig
 * always place newly added php-configurations in the misc-category

* User/Contribs
 * added reputation threshold for replys to config
 * check canComment and canReply separately
 * disable contrib-tabs if the user is banned

* Misc
 * Github link to home-footer
 * formating errors in README.md

 * oh, i hate this markdown syntax sooo much :x

* Disables
 * display db-entries as disabled or unavailable if appropriate
 * affects now achievements and quests in addition to spells
 * flag items without source as unavailable
 * flag quests without starter als unavailable

Privileges
 * i guess i forgott to add the template...
 ...among other things

* Config/Sanity
 * Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn

* Privileges
 * add individual pages and corresponding articles
 * yes the sql-update was forgotten

* Privilege
 * add forgotten template file

* Errors
 * try to die a bit more gracefull if errors occur

* Setup/Sounds
 * resolved duplicate naming of setup function

* topUsres
 * implemented top users overview
 * w/o achievements, uploads, forum posts, yadda yadda

* Updates/SQL
 * noticed having comments inside querys in these files breaks them
 * also there appear to be files with \r line endings left

* Setup/Firstrun
 * forgot to add sounds generator to firstrun script

* Setup/Sounds
 * updated sql update for changed generator
Setup/Updates
 * do not throw an invalid scripts supplied - error if no actual scripts where suppied
   (in case of update it is skipped, in every other case it generates everything anyway)

* Fixups
 * undefined variables in Markup.js
 * logic error preventing screenshot uploads
 * bitshift by negative value in spell
 * and i'm pretty sure i already added an exception handler at one point

* Screenshots/filesize
 * UHD screens are pretty large
 * also nginx is a thing and not affected by htaccess (just to keep in mind)

* Admin/Screenshots
 * do not display deleted screenshots on initial listing

* Admin/Screenshots
 * do not limit screenshot sources

Search
 * display floored maps

* Errors / Logging
 * try to log fatal errors if able

* Setup/Icons
 * fixed offsets for class / race icons (should no longer capture icon border from tile)

not important, but you may want to run: aowow --build=simpleImg --icons -f

* Contribute
 * added option to hide contribute tabs depending on subject (screenshots for sounds .. yeah, right)

* Articles/Classes
 * added localization for frFR (thx @Endalaust and his translators)

* Layout
 * make main-contents slightly wider to prevent overlaps
 * make classes listview name column slightly wider to prevent overlap

* PHP/Compatibility
 * should now work with php5 again

* DB/SQL-Modes
 * force disable special modes that will prevent our funny queries

* IconDB
 * initial implementation
 * this includes a complete reindexing of everything touching icons
 * this also means, no linking to red-rocket-site though, they index them differently

* IconDB/Fixups (obligatory)
 * table had wrong engine
 * two hunter pets have unique icons only referenced in creaturefamily.dbc
 * fixed links to rel-tabs

* README

fixed line breaks in Q/A-secion

* Spells/Effects
 * only use MiscValue as spellid for SpellEffect:155
 * interpret and display SpellEffect 293
 * SpellEffects 131 & 132 can both play audio

* Item/Tooltips
 * restore icon to tooltips after iconDB-changes tripped over a long forgotten change

* README

* updated audio generation as suggested in #93
* fixed indentation

* Fixups
 * fixed two typos

* Fixups
 * fixed two typos

* Misc/Fixups
 * fixed file generators involving ?_icons table
 * known spells onspell detail page should have a localized tooltip
 * fixed numer formating in spell tooltips for locales with a ',' as decimal
 * fixed php-tag in contribute template, causing parse error

* Currencies
 * fixed sold-by tab on detail pag
 * fixed display if rewarded for quest

* Misc/Errors
 * Item/XML
    - fixed setting typeId when lookup was item name
    - fixed lookup by name with utf8-chars
 * Items
    - do not display page for invalid categories
 * NPC
    - fixed reputation display
 * Quest
    - broke infinite loop occuring when quest is in chain with itself
 * Filters
    - handle different sizes of cr, crs and crv passed

* Setup/DBCs
 * vastly improved memory usage when handling DBCs
 * DBCs are no longer read entirely into memory, instead appropriate file handles are used.
 * read data is written to DB in reasonable intervals instead of all at once
 * DBC-class can no longer read from DB, but that wasn't used anyway

CLISetup
 * can now interpret the HOME-shorthand (~) in paths

* Setup/DB
 * table prefix for aowow is now fixed to 'aowow_'
 * no more input required

* WIN/Misc
 * windows compatibility changes
   - prevent crash on very large querys by reducing query size
   - set memory limit to something less than 2GB. Old value caused memory_limit to be set to something miniscule. (with the changes to DBC extraction this should now be feasable)
   - be a tad more lenient with time when generating enchant-datasets

* Creatures
 * flag creatures using creaturedisplayinfoextra.dbc as humanoid

* Setup/DBC
 * index column Id => id
 * why was this exception even there.
 * also DBCs copied directly into aowow_tables should work again

* Lang/Items
 * apply templates from GlobalStrings.lua
 * fix some translation errors in the process .. also, if s.o. knows, what constructs like |3-1(%s) do to the passed string, please tell me.

* Lang/Items
 * try to account for non-latin formating
 * use correct words provided by GlobalStrings.lua

* Fixup/Typo
 * bracket order fail

* DB/PageText
 * update structure for TrinityCore/TrinityCore@fbbe247114d092be1d20768419608bfa9cc57608

* Util/Lang
 * cleanup Util 1/2
 * move spell effect/aura strings to Lang

* Util/Game
 * cleanup Util 2/2
 * move game related functions and variables to new class: Game

* Zones/Misc
 * fix allowed categories on ListPage
 * fix instances for zone 3523

* ListPages/Filter
 * vastly improved input validation
 * content and type validation occurs when filter is created
 * contextual filters like itemTypes are now only applied in context

* Misc
 * added option to 'verbose' concatenate a list of items to class Lang
 * added option to strip tags from a string to class Markdown
 * fixed several instances of wrong categories on pages
 * actually display world state conditions for zone music
 * some typos all over the place

* Zones/DetailPage
 * directly display AudioControls for all ZoneMusic & Ambience

* Pages/Spell
 * display category cooldown in table

* Misc/Debug
 * remove leftover output

* Filters/Items
 * fixed forgotten rename, breaking page with certain tabs
 * fixed typo, breaking stat weights

* Misc/Fixup
 * stray backet braking enchantments list page

* Tooltips
 * place tooltip for daily quests
 * place tooltip for real time duration

* Misc/Errors
 * fixes some notices from log
 * fixed error when handling cookies

* Spells/Tooltips
 * added base stats to be parsed (where skipped before)
 * dummy effects do not singal a healing spell

* DB/Structure
 * implemented changes from https://github.com/TrinityCore/TrinityCore/commit/9a3b28894da14a4d839ddad77fa85be61ff03287 (broadcastText localization)

* DB/Structure
 * implemented changes from https://github.com/TrinityCore/TrinityCore/commit/460e2c5dc5eae49f62a9193fb58f1bab42028bd2 (item localization)

* DB/Structure
 * implemented changes from https://github.com/TrinityCore/TrinityCore/commit/3739d8444b1d5683bdac29f4a91df567dc19fd79 (quest localization)

* Readme
 * updated TDB requirement

* Accounts
 * added config option for external recovery & creation
 * fixed typos in contribute brick for locale 2

* Misc/Fixup
 * added missing leading whitespace to update queries

* DB/Structure
 * implemented changed from https://github.com/TrinityCore/TrinityCore/commit/309a7f7e2ab1f27a8c21d60791bcc6e5f7d6bec3 (achievement reward mail localization)

* DB/Structure
 * implemented changes from https://github.com/TrinityCore/TrinityCore/commit/d17a45ee7e348d6fc9146dd81e0457316eef1a62

 (creature text localization)

* Readme
 * bump for new TDB dependancy

* Adomin/Config
 * urlencode values or loose data on submit

* Misc/Notices
 * fixed display of GemConditions on enchantment detail page
 * correctly initialize class and race masks for items

* Admin/config
 * added onUpdate handler to rebuild affected files

* README

 * removed SoX for WIN in favor of FFmpeg
 * added example scripts for batch audio conversion.
 * added a curious error case to the Q/A-section

* NPCs/DetailPage
 * fixed extraCols for 'teaches' tab

* Admin/siteconfig
 * also rebuild js-locales when updating available locales
 * somewhat unhappy with the access to generated files. need to find a better solution.

* Quests/DetailPage
 * link to quest-ending spell if possible

* Spell/ShapeshiftForms
 * move all localized strings to class Lang
 * added missing negation in flag check, causing stances not to be displayed

* README
 * added another gotcha with auto-minifiers

* Quests/DetailPage
 * correctly interpret exclusiveGroup values (maybe.. (who knows..))

* Setup/Images
 * fixed error, causing everything to be displayed as not dound if anything was missing
 * added readable output to source finding stage
 * should now be obvious if something is missing

* [PH] spell_group error suppressor

* User/Auth
 * import user access from external auth source if available

* Page/Maintenance
 * send appropriate status code: 503 (temporarily unavailable)

thx @Magnifikator for the heads up

* Setup/Firstrun:
 * try to resolve bad inputs for *_host and force_ssl, when they result in redirects (301, 302)

* Factions/Articles
 * added french localization

thx @Endalaust

* Setup/Sounds
 * change extension of the temporary audio files for easier use with the supplied converter scripts.

* Page/Home

Fixes 2 html errors

* Misc/Git

added extracted sounds and setup files to .gitignore

* Misc/Git

added *.orig files to .gitignore

* Misc/Typos
 * fixed typo/php-warning introduced in d83f370fb4f7740eaece8ef19aed1cacffadc989

* Misc/Versions
 * AOWOW_REVISION is no longer expected to be numeric
   this allows for user-defined versions (e.g.4.1c) when changes
   within css/js files need to be forced into the web browser or
   existing cache files need to be invalidated

* Items/Armor
 * fixed calculation of extra armor

* Auth/Fixup
 * fix external login after 49a10e22

* Profiler/Prep:
 * misc changes from profiler branch. No real changes on its own

* Profiler/Filter
 * implemented flag options when searching for strings

* Profiler/Gearscore
 * implement gearscore calculation

im sad and i hate myself

* Profiler/CLI
 * move command line related functions to its own class

* Profiler/Backend
 * added core functions nessecary for profiler

* Profiler/Frontend
 * add pages and templates to display arena teams, guilds and chars

* Misc/Mergefix
 * added clean db dump
 * cleanup fails from profiler merge
 * maybe fixed setup being unable to find images for processing
 * version push

* Setup/Sounds
 * make log more clear, that every available locale is checked

* Profiler/Guilds
 * fixed forcing guildnames to string for js
 * made static string localized

* Profiler/Profile
 * shorten raid activity string for locale deDE to prevent icons from showing up where they shouldn't (also needed for locale ruRU)
 * define offhand frill as unfit for enchantments
 * resort raid activity tracker and add placeholder for ulduar

* Config/Profiler
 * update config to enable/disable profiler in general, instead of just the queue
 * regenerate affected files on config change

* Profiler/RaidTracker
 * ALL the Raids .. track em

* DB/Structure
 * update collate to use utf8mb4
 * fixed creature paths being capped at 255 waypoints

* Profiler
 * further optimize search
   - use achievement 4496 as shortcut for everything based around total achievement points
   - get talent distribution separately
   - get total profiler-items found separately
   - opt to not sort found results
 * fixed Profiles with zero Achievement Points
 * added cache key genrator i forgot :<
 * fixed typos

* Pages/Home
 * implement random home titles

* Misc
 * don't cache playlists
 * don't cache new custom profiles
 * forgot to sanitize and use param from js

* Misc/Typos

* Modelviewer
 * removed quality options (java .. holy crap!)
 * added animations menu

* Misc/Typo

* DB/Favorites
 * implement favorites for DB entries
 * click on the star besides the name of the entry to add it to a new quick menu

* Profiler
 * translate anouncements for loc 3
 * fix queue locking up on error
 * fix queue status display
 * fix flagging real characters as private

* Profiler
 * fixed directly accessing existing, but not yet fetched, profile

* Profiler/Raid-Tracker
 * sort raids by difficulty to fix progress bars
 * rename raids to include raid sizes

* Profiler/Tooltips
 * fixed display of titles
 * supply iconstring in the tooltip data as this does not rely on variables within global.js
   fixes externally embeded profile tooltips

* Misc/Typos
 * fixed display of charges on GameObject Infobox
 * removed display of achievement points as cost from vendors

* Profiler/Reputation
 * add missing base values for each race/class

* JS/Locales
 * grep-fix multiple issues with replacement patterns and hrefs

* pages/Search
 * fix searching by stat weights (used in Profiler, Item Comparison)

* Setup/Spells
 * hide a lot of internal spells from searches
 * apply a faction to mount listing, so the Profiler can hide mounts from the opposite faction
 * apply GS to profession enchantments

* BaseType
 * revert change to get number total results
   this partially reverts bf42973c

* Profiler/Mounts
 * display class-specific mounts on their respective classes

* Profiler
 * reworked default exclusions (hid some things entirely, flagged others for appropriate cases)
 * char names consisting of two letters are now valid
 * fixed matching enchantments onto ranged weapons

* Profiler
 * fixed possible bug where a custom profile would load instead of the original character it was created from

* Items/Armor
 * fixed handling of additional Armor

* Spell/Detail Page
 * display effective MiscValue for effect PowerBurn

* Profiler/Profiles
 * allow strings with less then 3 chars in name search
 * store name as binary to allow accent-sensitive search
   (note: guilds and arenateams have the same issue but utf8mb4_bin can't be applied blindly as the search also becomes case-sensitive (wich is already handled for profiles))

* Profiler/Profiles
 * do not display deleted custom profiles in their parent profiles quick info

* NPCs/Detail Page
 * fixed vendors displaying the same sell price for every item

* Quest/Detail Page
 * display mail attachments besides the actual mail instead of extra tab

* Quests/Categories
 * shuffled quests into a structure that seems sensible (menus should no longer point to dead pages or display 'undefined' links)

* Quests/Misc
 * remove Uldaman from Eastern Kingdoms
 * add Crystalsong forest to Northrend

* Misc/Fixups
 * fixed typo inlocalization
 * have the profiler queue run at least one cycle so it can get registered as successfully started
 * a map popup will no longer scroll the page to bottom
 * replaced an input placeholder image with proper placeholder property

* Localization/Chinese
* added support for locale 4
* some strings are missing and will need to be translated at a later date
* thx @qyh214 for a lot of content

Co-authored-by: qyh214 <sandy0214qin@msn.com>

* Item/ExtendedCost
 * display a "sells" entry for every combination of currencies the vendor accepts per item
 * display every cost combination in the quick infos on the item detail page

* Spells/Mounts
 * group mounts into ground, flying & misc.
 * display mount speed bonus in listview

* Spells/Tooltips
 * remove level scaling from tooltips (for now)

* Profiler/Profiles
 * fixed regular characters being hidden by default

* Profiler/Raids
 * fixed displaying individual encounters in raid activity tracker

* Admin/WeightPresets
 * removed redundant code
 * fixed empty scales not being written to dataset as expected

* Localization/deDE
 * kitsch is inappropriate???

* Misc/Fixups
 * squash multiple notices from error log
 * fixed copy&paste error preventing view on custom profiles
 * fixed display of spell requirements if mount was required after changs to mount sorting
 * properly get/send error code in profile synchronisation
 * use clear:left after floating mail block in template

* Profiler/Chars
 * prefix characters flagged for rename to prevent collision with real char names (multiple chars flagged for rename will still collide, but what the hoo haa)
 * alter table index to prevent creation and subsequent conflict with duplicate entries of the same char (realm/guid pair)

* Reports
 * added timestamp column to db table
 * consolidated write operation
 * fixed storing reports when get_browser() would return empty

* Ajax/Debug
 * be a lot more verbose when errors are occuring (to staff anyway)
 * made hardcoded error messages for comments localizable
 * add error messages from posting comments to session to be displayed on next page update

* Spells/Filters
 * add various filters (mostly attribute flags)
 * resolve additional dbc-data on detail page
 * fixed DK rune indexing

* Sounds/DetailPage
 * fixed generating links to play via the WoW API
 * fixed usage of not yet available PlaySoundKitID() when selecting file from list
 * while internally it is pretty laissez-faire about cases in file paths, suddenly WoW DOES care, when it comes to its LUA API.
   so .. don't cast to lowercase when storing sounds in DB

* implemented type areatrigger
 * staff only

* Spells/DetailPage
 * display spells affectged by category cooldowns

Items/DetailPage
 * display items affected by category cooldowns defined in spell template

* Objects/Filters
 * added filter for common spell foci

* Search
 * made racial traits searchable under abilities

* Lang/Races
  Hey Lang, what races does this thing have assigned?
  Yes!

   .. this will no longer happen

* Pages/Achivement
 * resorted criteria to match ingame order

* Pages/Quest
 * escape placeholder tags in quest name for display

* Spell/TaxiPath
 * resolve taxi path routes on spells
 * fixed display of taxi paths on maps

* Setup/Quests
 * update structure for TrinityCore/TrinityCore@2f5403d4af3a90a6e51a377e05a55a0d197afb4d (Thx @TheWinchesters for noticing)
 * updated README accordingly

* SmartAI
 * parse and verbosely display smartAI for creatures, gameobjects and areatrigger

* Page/Achievement
 * catch fatal error for achievements without criteria

* PHP-Version
 * return type declarations require php v7.0 or newer
 * updated README and and version check accordingly

* Spells/Models
 * fixed assigning same display to multiple spells from the same SpellList
 * fixes missing mounts in Profiler

* Account/Cookies
 * fixed saving cookie-data to account
 * e.g. announcements shouldn't pop up again if you close them once

* PHP/Core
 * enforced v7.1 compliance, preparations for v7.2
 * removed deprecated usage of each()
 * prefer array deconstruction via [] instead of calling list()
 * try to catch failed session_start()
 * prefer ... - Token instead of calling func_get_args() func_num_args()
 * enforce return types in AjaxHandler
 * revision push

* Page/Search
 * always display tab to denote what type was found

* Setup/DBconfig
 * remove nonfunctional placeholder file
 * its too confusing

* Misc/Fixes
 * resolve two additional spell effects (11, 44)
 * fixed overzealous find/replace in Loot::iterate()
 * fixed wrong placeholder for type 32 in Conditions System

* Misc/Fixes
 * cast GET-params to lower case
 * fixed typo in constant name
 * fixed scope issue when aggregating sql stats

* Profiler/Names
 * handle duplicate names due to rename flags more gracefully
 * should fix infinite reload bug on newly renamed profies

* Page/Search
 * dropped support of wildcard characters
 * search for literal usage of underscore

* Page/Currency
 * display price column in "currency for" tab

* Icons
 * add icon to infobox for db types with icon (*duh!*)
 * fixed a couple issues with markup icondb in the process
 * fixed wrong data display due to shared name fields on joined table

* Creatures/Rank
 * set unused ranks to 0 during setup to fix display issues

* Quest/Mails
 * apply table quest_mail_sender to display correct mail source

* Adaptations to AzerothCore database

* Updated README.md, added spell_learn_spell table

* Update README.MD

Co-authored-by: Sarjuuk <Sarjuuk@users.noreply.github.com>
Co-authored-by: Magnifikator <1770433+Magnifikator@users.noreply.github.com>
Co-authored-by: SHIHUANG214 <sandy0214qin@msn.com>