Core/Spells: Fixed rare issues where spell modifiers would not be correctly restored.

Happens in case of a spell having more than one modifier granted by an aura.
Core/Unit: Add switch to prevent COMMAND_ATTACK being added to action bar for supplied creature entries.
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore
PDC aus TW Repo, SQL kommt später