Merge pull request #52 from Discover-/master

Update SMART_TARGET_CLOSEST_ENEMY and SMART_TARGET_CLOSEST_FRIENDLY to w...
Update SMART_EVENT_TARGET_CASTING to SMART_EVENT_VICTIM_CASTING (as of https://github.com/TrinityCore/TrinityCore/commit/0cc32e28e3b101d9880753544cc97b6158eb24b4)