Fix HandleQuestPOIQuery.
Added CMSG_MOVE_FORCE_FLIGHT_SPEED_CHANGE_ACK, CMSG_MOVE_FORCE_RUN_SPEED_CHANGE_ACK,
   CMSG_MOVE_FORCE_SWIM_SPEED_CHANGE_ACK, CMSG_MOVE_FORCE_WALK_SPEED_CHANGE_ACK.

Update movement structure.

Update MovementSetRunMode, MovementSetWalkMode, MovementSetCanFlyAck,
   SplineMoveSetFlightSpeed, MoveSetWalkSpeed.
Fix chat.