[TW] Core/Spell Script: Vanity pet focus

- spell script for focus spells for few vanity pets
- change CritterAI needed to allow critters to be CC'd
[TW] Core/Spells: Master's Call

- Pet needs to have roots removed before charging ally/player or cast
will fail
[TW] Core/SpellMgr: The Beast Within (Bestial Wrath)

- Add attribute needed to pierce cyclone
Merge pull request #72 from gecko32/Patch11

[TW] Core/Spells: Master's Call
Merge pull request #71 from gecko32/Patch12

[TW] Core/SpellMgr: The Beast Within (Bestial Wrath)
Merge pull request #70 from gecko32/Patch10

[TW] Core/Spell Script: Vanity pet focus
Merge branch 'master' of https://github.com/TrueWoW/TrinityCore into ghbb

Conflicts:
	src/server/scripts/Custom/custom_scripts.cpp