DB/Spells: Added some effects to a couple of serverside spells
DB/Gameobject: Add Cosmetic Explosion Trap spawns

By untaught, updates #12243
DB/CreatureText: Fixed the wrong languages present in creature_text
DB/Misc: Hall of the Watchers

By dr-j, closes #7507
DB/Gameobject: Decoy!

By wintergreen77, closes #4080
DB/Quest: Field Test

By dr-j, updates #3521
DB/Quest: fel spirits

By untaught, closes #10194
DB/Quest: Rise, Obsidion 3.3.5 Version

By dr-j, closes #11497
DB/Quest: The Medallion of Faith

By untaught, closes #3479
Merge branch 'master' of https://github.com/Tangol/TrinityCore