Core/Movement:

- Don't abort relocation if movementflag restrictions were violated. There might be lag between client and server and even different parts of the core that made this approach improper.
- MOVEMENTFLAG_ROOT cannot be used in conjunction with MOVEMENTFLAG_MASK_MOVING, but it's a valid flag to receive from client.
- Fix falling to ground when unapplying fly/waterwalk aura. NOTE: This is a client-side initiated fall, in the future this should be initiated and updated by the server. (Working on it)
- Rename MOVEMENTFLAG_FALLING to MOVEMENTFLAG_FALLING_FAR
- Rename MOVEMENTFLAG_JUMPING to MOVEMENTFLAG_FALLING

Closes #5751

src/server/scripts/Northrend/FrozenHalls/PitOfSaron/boss_krickandick.cpp

@@ -456,7 +456,7 @@ class boss_krick : public CreatureScript
                         case EVENT_OUTRO_10:
                             //! HACK: Creature's can't have MOVEMENTFLAG_FLYING
                             me->RemoveUnitMovementFlag(MOVEMENTFLAG_FLYING);
-                            me->AddUnitMovementFlag(MOVEMENTFLAG_FALLING);
+                            me->AddUnitMovementFlag(MOVEMENTFLAG_FALLING_FAR);
                             me->GetMotionMaster()->MovePoint(0, outroPos[6]);
                             _events.ScheduleEvent(EVENT_OUTRO_11, 2000);
                             break;

src/server/scripts/Northrend/sholazar_basin.cpp

@@ -90,12 +90,12 @@ public:
             case 17:
             case 18:
                 me->RemoveUnitMovementFlag(MOVEMENTFLAG_SWIMMING);
-                me->RemoveUnitMovementFlag(MOVEMENTFLAG_JUMPING);
+                me->RemoveUnitMovementFlag(MOVEMENTFLAG_FALLING);
                 me->SetSpeed(MOVE_SWIM, 0.85f, true);
                 me->AddUnitMovementFlag(MOVEMENTFLAG_SWIMMING | MOVEMENTFLAG_DISABLE_GRAVITY);
                 break;
             case 19:
-                me->SetUnitMovementFlags(MOVEMENTFLAG_JUMPING);
+                me->SetUnitMovementFlags(MOVEMENTFLAG_FALLING);
                 break;
             case 28:
                 player->GroupEventHappens(QUEST_FORTUNATE_MISUNDERSTANDINGS, me);
@@ -139,7 +139,7 @@ public:
         {
             CAST_AI(npc_escortAI, (creature->AI()))->Start(true, false, player->GetGUID());
             CAST_AI(npc_escortAI, (creature->AI()))->SetMaxPlayerDistance(35.0f);
-            creature->SetUnitMovementFlags(MOVEMENTFLAG_JUMPING);
+            creature->SetUnitMovementFlags(MOVEMENTFLAG_FALLING);
             DoScriptText(SAY_START_IRO, creature);
 
             switch (player->GetTeam()){