DB/Creature: Fix pathed movement errors.
Core/Scripting: Updates to Dark Portal Instance Scripting
Core/Scripting: Renamed Dark Portal scripts to The Black Morass
DB/instance_template: Update scriptname for map 269
Core/Scripting: Update Boss Akilzon Script to use Events
Core/Scripting: Fix previous commit
Core/WaypointMovementGenerator: Make error message more useful.
Core: Fix some error messages, more useful, less engrish.
Core/Movement: Prevent dynamic changes of movement flags for charmed creatures

Closes #10075
Closes #10079
Core/Vehicles: Fixed crashes in StopCastingCharm happening when unit was attempting to enter 2 vehicles at the same time

Closes #9293
Closes #9618
Scripts: Add missing code and fix codestyle
Scripts: Convert DoCast(me->GetVictim(), SPELL_XXXXX); in DoCastVictim(SPELL_XXX);
Scripts: Fix some typos
Core: Fix warning
DB/Misc: Cleaning db of unused/obsolete stuff
Core/Auras: Fixed crashes introduced in 1addad4dbd38d4690c24ad9c07456e06e443c78e

Closes #10081
Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4
Merge fixups