Scripted/Misc: Fix random stuff
Core: Fix build
Core/Config: Refactored ConfigMgr

* Loading initial configuration files is now separate from loading any additional custom configs
DB/Gossip: Add missing gossip for Sputtervalve. Moved all scripting to SAI.
DB/Gossip: Gossip fixup for Drull and Tog'thar
DB/Gossip: Added gossip for Morridune.
Scripting/Black Fathom Deeps: Fixed script to use proper spell.
DB/SAI: Update 2013_07_13_01_world_sai.sql

Ref #10276
DB/Gossip: Add and fix a few more gossip menus.
DB/Misc: Few fixes for Naxxramas.
DB/Gameobject: Fix spawnMask for Orb of Naxxramas
DB/Condition: Fix startup error
Core/Conditions: Add more infos for invalid skill condition log error
Merge commit '0e4816771a6e8ba6dcf4d81386d96841ff3c02a2'
Merge remote-tracking branch 'upstream/db_fixes'