Added support for dragging/dropping resources; you can use drag/drop to rearrange resources/folders in the resource browser now, and you can drag/drop resources onto resource selector widgets

src/Editor/CEditorApplication.h

@@ -64,6 +64,8 @@ signals:
     void ActiveProjectChanged(CGameProject *pNewProj);
     void AssetsModified();
     void PackagesCooked();
+    void ResourceRenamed(CResourceEntry *pEntry);
+    void DirectoryRenamed(CVirtualDirectory *pDir);
 };
 
 #define gpEdApp static_cast<CEditorApplication*>(qApp)