Some cleanups
Core/Maps: Defined classic
Core/Maps: Defined TBC
Core/Maps: Defined Wotlk
Core/Maps: Defined Cata, Mists, WoD
Core/Maps: Defined Battlegrounds
Core/Maps: Defined Arenas + Cities + Scenarios

Forgot one battleground define
Core/Maps: Defined Dungeons & Raids
Core: You can now set the starting talent points and death knight starting level
Configs: Updated config files
Fixed a few druid spells
Misc..
Core/Maps: Fixed redefinitions
Core: Fixes