Core/Dungeon Finder: Improve join log message to try to detect cases when one of the selected dungeons is 0
* Added specialization to all loggers related to lfg (allows to enable "lfg.join" in debug mode and keep all the rest in error)
Core/SAI: Fix two memoryleaks in my previous commits. Thanks to @Xter for the notice.
Core/Logging: Use logger cache for speed up logger filter search
Core/SAI: Fix another memory leak, thanks to @Xter
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore
DB/Misc: Two missing paths and two missing Combat AI.
Sync mit TW
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore