[TW] Revert: Core/Spells: DK Bloodworms Talent

- was fixed in commit
https://github.com/TrueWoW/TrinityCore/commit/479afc0ed04b7161c5460f3e1aed83c4241fd7fc
and this causes to many summons
Merge pull request #69 from gecko32/Patch10

[TW] Revert: Core/Spells: DK Bloodworms Talent
Core/Quests: Only prompt the player to take the next quest in a chain if he meets the conditions for that quest.
Core/Skills: Fix rogue's lock picking

Fixes #12677
Closes #13111
Core/NetworkIO: Set non blocking mode on sockets properly
Core: Fix warning
DB/Gameobject: Allow to target 2 gameobjects

Closes  #13093, closes #13094
Core/Misc: Added const modifier to MessageBuffer::Write parameter
Core/WorldSocket: Refactored client packet header check
DB/Quest: The Demoniac Scryer

Closes # 2610

Script for http://www.wowhead.com/quest=10838/the-demoniac-scryer
Core/Misc: Refactor scripts to fix static analysis warnings

Fifth batch of fixes targeting 100 issues reported by Coverity
Merge branch 'master' of https://github.com/TrueWoW/TrinityCore into ghbb

Conflicts:
	src/server/game/Spells/SpellMgr.cpp
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore into ghbb

Conflicts:
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_freya.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_hodir.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_xt002.cpp
	src/server/scripts/Northrend/UtgardeKeep/UtgardePinnacle/boss_skadi.cpp
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