Bug 176161 styles cannot be sortet/ordered in the outline view
1) create a library 2) add a theme 3) add some styles to the theme ==> the styles cannot be sortet/ordered in the outline view ==> a drag'n'drop ordering of sytles would be very nice (or maybe an alphabetical sorting)
UI/org.eclipse.birt.report.designer.ui.views/src/org/eclipse/birt/report/designer/internal/ui/views/outline/providers/ThemeNodeProvider.java
*            the menu
	 */
	public void createContextMenu( TreeViewer sourceViewer, Object object,
			IMenuManager menu )
	{
		if ( canContain( object ) )
		{
			menu.add( new InsertAction( object, Messages
					.getString( "StylesNodeProvider.action.New" ) ) ); 
		}
		super.createContextMenu( sourceViewer, object, menu );
		if(canContain(object))
		{
			menu.insertAfter( IWorkbenchActionConstants.MB_ADDITIONS,
					new Separator( ) );
	
			menu.insertAfter( IWorkbenchActionConstants.MB_ADDITIONS,
					new ImportCSSStyleAction( object ) ); 
		}
		
		menu.insertAfter( IWorkbenchActionConstants.MB_ADDITIONS, new ReloadCssStyleAction(object) );
		menu.insertAfter( IWorkbenchActionConstants.MB_ADDITIONS, new UseCssStyleAction(object) );
	}
	public String getNodeDisplayName( Object model )
	{
		return ( (ThemeHandle) model ).getDisplayLabel( );
	}
	/*
	 * (non-Javadoc)
	 *