Fixed signal-slot connecting bug

src/gui/UBFeaturesActionBar.cpp

@@ -75,6 +75,7 @@ UBFeaturesActionBar::UBFeaturesActionBar( UBFeaturesController *controller, QWid
     connect(mSearchBar, SIGNAL(textChanged(QString)), this, SLOT(onSearchTextChanged(QString)));
     connect(mpNewFolderAction, SIGNAL(triggered()), this, SLOT(onActionNewFolder()));*/
 
+    connect(mpFavoriteAction,SIGNAL(triggered()), this, SLOT(onActionFavorite()));
 	connect(mSearchBar, SIGNAL(textChanged(QString)), this, SLOT(onSearchTextChanged(QString)));
 	connect(mpNewFolderAction, SIGNAL(triggered()), this, SLOT(onActionNewFolder()));
     connect(mpRemoveFavorite, SIGNAL(triggered()), this, SLOT(onActionRemoveFavorite()));

src/gui/UBFeaturesWidget.cpp

@@ -286,6 +286,7 @@ void UBFeaturesWidget::deleteSelectedElements()
     foreach ( QModelIndex sel, selected )
     {
         UBFeature feature = sel.data( Qt::UserRole + 1 ).value<UBFeature>();
+        if ( feature.isDeletable() )
             urls.append( feature.getFullPath() );
     }