Add basic support for NPCs on transports; DB data required.

Currently no support for combat while the transport is in motion.
Based on a patch by Socolin.
Fixes issue #168

--HG--
branch : trunk

src/server/game/Entities/Player/Player.cpp

@@ -16093,7 +16093,7 @@ bool Player::LoadFromDB(uint32 guid, SqlQueryHolder *holder)
             GetPositionX()+m_movementInfo.t_x,GetPositionY()+m_movementInfo.t_y,
             GetPositionZ()+m_movementInfo.t_z,GetOrientation()+m_movementInfo.t_o) ||
             // transport size limited
-            m_movementInfo.t_x > 50 || m_movementInfo.t_y > 50 || m_movementInfo.t_z > 50)
+            m_movementInfo.t_x > 250 || m_movementInfo.t_y > 250 || m_movementInfo.t_z > 250)
         {
             sLog.outError("Player (guidlow %d) have invalid transport coordinates (X: %f Y: %f Z: %f O: %f). Teleport to default race/class locations.",
                 guid,GetPositionX()+m_movementInfo.t_x,GetPositionY()+m_movementInfo.t_y,