* Core/Misc Update all locales table structure to simple system. Port from TrinityCore
Co-Authored-By: Winfidonarleyan <dowlandtop@yandex.com>
* Core/Db/Gossip Update structure gossip_menu and gossip_menu_action to actual TrinityCore
* Core/DB Update Broadcast system to actual TC
* Core/Mail: implement Quest Mail Sender
* Core/Quest Split quest template locales
* azerothcore + eluna done.
* Remove the Eluna single thread limit.
* Read Eluna Settings file.
* submodule change.
* fix(test) Ubuntu - Cant Link Library after Compile
* The ELUNA is disabled by default.
* remove submodule luaEngine.
* some change
* fix a error
* change cmake
* fix: some onplayerchat does not have hooks.
* Eluna: Add BG event Hooks.
* fix:cmake hook AFTER_LOAD_CONF not work.
* Remove the eluna switch.
* Remove some define in the core.
* fix conf file not read in the linux.
* eluna : change bg hook parameter type
* Remove TC log function call
* change bg hook OnBGEnd parameter type.
Note: to enable Eluna, the module is required
