DB/Creature: Fix for Bleeding Hallow Dark Shaman without waypoint data

By Kittnz, closes #13810
DB/Creature: Icecrown/Wrathgate - 1

By Kittnz, closes #13801
DB/Creature: Fix some startup errors

By Kittnz, closes #13811
Merge branch '3.3.5' of https://github.com/TrinityCore/TrinityCore into ghbb