Fix compile without PCH (Also added some minor changes to minimize differences with 4.3.4)
Scripts/AQ: Fix warnings (thx razhael)
DB/misc:

NPC Jezelle Pruitt Closes #856
Standards and Practices Closes #1539
An Improper Burial Closes #1977
Postponing the Inevitable Closes #2350
Rune of Dawn Closes #2782
No Rest For The Wicked Closes #4013
Gregory Tabor Closes #4350
Anatoly Will Talk Closes #4551
Pilgrim's Bounty Closes #5025
The Fallen Sisters Bugged again Closes #5419
The Lost Spirits Closes #5647
Feedin' Da Goolz Closes #5679
The One That Got Away Closes #5764
Find the Ancient Hero Closes #5785
Shattrath Daily Quests missing ExclusiveGroup Closes #5821
Nether Drake Egg Closes #6284
Quest - 28056 Closes #6627
Before the Gate of Horror Closes #5760
Quest Audio - 12593 Closes #6632
Souls of the Decursed Closes #6724
Norgannon's Shell (12872,12928) Closes #7837
Windcaller Yessendra (15498),Warden Haro (15499),Keyl Swiftclaw (15500),Mokvar (16012) & Deliana (16013) quests  Closes #7907
Attunement to the Core (7487,7848) Closes #7908
spawn location in OG near Rogg (37072) Closes #8021
Missing Fires for Hallow End Q  Closes #8086
Wickerman Festival NPC & GO's Closes #8133
Hallow's End Pumpkin Treat & Tricky Treat time fix Closes #8244
Exhausted Vrykul - not responding after using discipline stick on him Closes #8288
commitfix: add newline to prevent possible issues with next file
db/commit: NULL is a bad param, fixed
DB/Event: Pilgrims Bounty support, thanks to Vincent Michael
Commit: change SQL name to match indexing
DB/Misc: some cleanups
DB/Misc: Ysera@Emerald Dragonshrine should lay down and ground work on Bloodmoon Isle

Closes #8305
DB/commit: darn incremental number fail 2nd time today
Core/Calendar: Minor change.
Merge pull request #8359 from Warpten/calendarRo

Core/Calendar: Minor change.
Core/Pets: Pet "at rest" distance from owner is now closer as it should be

Original PR modified

Closes #8358
Closes #8181

Signed-off-by: Nay <dnpd.dd@gmail.com>
Core/Misc: Define some methods const
Core/Arenas: Fix arena system, you can now enter in arenas and fight !
Countdown in preparation time are also displayed
EnnemyUnitFrame while fighting works too

N.B: There might be some little typos to fix.
Core/Misc: Reduction of header dependencies - Step II
Core/ObjectMgr: Fixed crash on shutdown

Closes #8362
Core/Misc: Reduce header dependencies - Step III
Merge branch 'master' into 4.3.4

Conflicts:
	src/server/game/AI/CoreAI/GameObjectAI.h
	src/server/game/Achievements/AchievementMgr.cpp
	src/server/game/Battlegrounds/Battleground.cpp
	src/server/game/Conditions/ConditionMgr.h
	src/server/game/Entities/Pet/Pet.h
	src/server/game/Entities/Player/Player.cpp
	src/server/game/Entities/Player/Player.h
	src/server/game/Entities/Unit/Unit.h
	src/server/game/Globals/ObjectMgr.cpp
	src/server/game/Guilds/Guild.cpp
	src/server/game/Handlers/CharacterHandler.cpp
	src/server/game/Handlers/GroupHandler.cpp
	src/server/game/Handlers/LootHandler.cpp
	src/server/game/Miscellaneous/SharedDefines.h
	src/server/game/Spells/Auras/SpellAuraEffects.cpp
	src/server/game/Spells/SpellEffects.cpp
	src/server/scripts/Commands/cs_modify.cpp
	src/server/scripts/Commands/cs_reload.cpp
	src/server/scripts/EasternKingdoms/Deadmines/instance_deadmines.cpp
	src/server/scripts/EasternKingdoms/ZulGurub/instance_zulgurub.cpp
Core/Calendar: Update calendar to 4.3.4 and enable calendar related opcodes