Core/Scripting: A few fixes for Blackrock Spire. Emberseer now settin…

…g properly after wipe and Gyth/Rend event is getting closer to
complete.
DB/SAI: Remove instance flags for creatures in battlegrounds

Otherwise they would not work and create runtime warnings on
initialization
Core/Units: Removed most calls to SendMovementFlagUpdate for creatures
Scripts/Icecrown Citadel: Fixed Blood Queen Lana'thel flight phase
DB/Conditions: make Frenzyheart fury only affect players

https://www.youtube.com/watch?v=5d5lXj52bac
http://www.wowhead.com/quest=12573/making-peace
DB/SAI: add SAI for The Black Knight's Curse

[QUEST/FIX] The Black Knight's Curse (14016)
DB/SAI: add SAI for the quest Fozruk, Feeboz, Znort and Sleeby
DB/SAI: add SAI for Wretched Skulker/Bruiser/Husk

http://www.wowhead.com/spell=44505
DB/Loot: Gnomish Grenades have Very High drop chance
DB/Player: add Wooly Mammoth & Armored Brown Bear to factionchange

Wooly Mammoth (A / H) - http://www.wowhead.com/spell=59791 /
http://www.wowhead.com/spell=59793
Armored Brown Bear (A / H) - http://www.wowhead.com/spell=60114 /
http://www.wowhead.com/spell=60116
Core/Scripting: Gyth event still not finished but completable.
DB/Creature: Fix startup error
DB/Misc: Remove some db strings and waypoint scripts. Repalce with cr…

…eature text and SAI.
DB/Misc: move text from db string to creature_text.

-trinitycore
DB/Misc: More db strings to creature text
this is not required