* Implement item limit category (based on changes by VladimirMangos)

* Additional check for HandleAutoBankItemOpcode (thanks to VladimitMangos)
* Properly show empty vendor list for empty item list (author: a1ien)
* More stricted checks for store operations (thanks to VladimirMangos)
* Prevent autostoring of not empty bags (thanks to L1ghtGu4rd)

Changes need testing. Please post bugs on our tracker.

--HG--
branch : trunk

src/server/game/Maps/Map.cpp

@@ -3500,7 +3500,7 @@ void Map::ScriptsProcess()
                             pReceiver->SendNewItem(item, step.script->datalong2, false, true);
                     }
                     else
-                        pReceiver->SendEquipError(msg, NULL, NULL);
+                        pReceiver->SendEquipError(msg, NULL, NULL, step.script->datalong);
                 }
                 break;