Core/Misc: Fix uninitialized values

Fix Position members not being always initialized.
Valgrind log:
 at : Position::NormalizeOrientation(float) (Object.h:388)
 by : Position::SetOrientation(float) (Object.h:315)
 by : Position::Relocate(Position const&) (Object.h:310)
 by : spell_ulduar_stone_grip::spell_ulduar_stone_grip_AuraScript::OnRemoveVehicle(AuraEffect const*, AuraEffectHandleModes) (boss_kologarn.cpp:592)
DB/SAI: Fix Arcane Disturbances after quest_?_scripts removal

By untaught, closes #5412
DB/Gameobjects: Added spawns on Development Land
DB/Gameobjects: Updated the WDBVerified of the gameobject templates of a4487f8f58d6e19e0499f4a612e66819ae4c9b22 -.-
DB/SAI: Fix few startup errors after 96b3df2
TW fix Living bomb
Merge pull request #12 from Unholychick/patch-2

TW fix Living bomb
Core/SmartScripts: SMART_ACTION_EQUIP prevent to false errors
Merge pull request #11823 from MitchesD/core_sai

Core/SmartScripts: SMART_ACTION_EQUIP prevent to false errors
[TW275] - Core/Spells: Revert "Fix Death and Decay disappearing" and adds another way around it, by yesitsme

This reverts commit 8a9d7e26daf2445cc5914646602aff3292714721.
DB/Creatures: Added some data for dataless NPCs
Core/Chat: Fix valid chat links being handled as invalid

Fix a case where valid chat links would have been handled as invalid.
This happened if these conditions were true:
- the link was a profession and the link name started with the same name of the profession, like spell id 61120 in esES locale "Inscripción de la tormenta de maestro" with profession name "Inscripción"
- the profession name was the same for more than 1 locale available, like esES and esMX, or enUS and enGB

Restore memmove() instead of memcpy() wrongly replaced in 791130f6faf6294d2cb27bec409d7b4ee855243f , it's unsafe to use memcpy() with overlapping memory regions.
TW fix Slice and Dice

Will no longer put the caster in combat.
TW fix HAT and TTT

HAT will now have 1 sec cooldown and will no longer give other energy
users combopoints on their targets. Caster will no longer be put in
combat when a groupmember crits, and combopoints can now be gained on a
target which doesnt have any combopoints prior to the proc.
Turn the tables will no longer buff raid and party members.
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore
Core/Spells: fixed Throw Shield Visual and Clone Weapon
[TW276] - Core/Spells: Fix wrong attribute for spell 11389 (Detect Undead) causing the buff to fade from non-mana classes or spending mana points from those who have mana.
[TW277] - Tabs to spaces....
Merge pull request #13 from Unholychick/master

TW fix TTT & HAT & SnD
[TW278] - Core/Scripts: Prevent multiple spawns of Ulag

http://www.wowhead.com/quest=1819/ulag-the-cleaver