[TW374] - Some tests around fumping

...(NOT fapping)
[TW] - More tests around fumping
[TW] - Fix build
[TW] Reduce spawn chance of Hul'Shulud to 5%
[TW] Core/Unit: add the same trick from https://github.com/TrueWoW/TrinityCore/pull/67/commits to priests's t10 2pc
Merge branch 'master' of https://github.com/TrueWoW/TrinityCore

Conflicts fixed:
	src/server/scripts/Spells/spell_quest.cpp