DB/Misc: Fix startup errors

-TrinityCore
Core/Scripting: Emberseer event will now check to see if all players …

…in instance are clicking altar.
-TrinityCore
DB/SAI: add SAI support for The Sum is Greater than the Parts

-TrinityCore
DB/SAI: add SAI support for Neutralizing the Plague

-TrinityCore
[DB/SAI] add SAI support for Pushed too far (Quest 12869)

-TrinityCore
DB/Commit: add DRAKE define to fix query
DB/Misc: Some updates for BRS & BWL

-TrinityCore
Core/Scripting: Gyth / Rend Event in progress.
Following the work of Hall of Reflection