Implement vehicles created by player mounts.

Original idea by Elmaster, packet research by Wrong, ty.

--HG--
branch : trunk

src/game/SpellAuraEffects.cpp

@@ -3471,7 +3471,7 @@ void AuraEffect::HandleAuraMounted(AuraApplication const * aurApp, uint8 mode, b
             if(GetSpellProto()->Effect[i] == SPELL_EFFECT_SUMMON
                 && GetSpellProto()->EffectMiscValue[i] == GetMiscValue())
                 display_id = 0;
-        target->Mount(display_id);
+        target->Mount(display_id,ci->VehicleId);
     }
     else
     {