Bug 120218 Right click menu option to apply theme.
We should support the following right click menu. -- User right clicks int he report design layout area. -- The following menu items needs to be supported Theme --> Apply Theme -->Theme1 -->Theme2 ( similar to Apply style menu option )
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/providers/SchematicContextMenuProvider.java
action = getAction( GeneralInsertMenuAction.INSERT_LIST_ID );
		action.setText( GeneralInsertMenuAction.INSERT_LIST_DISPLAY_TEXT );
		subMenu.add( action );
		action = getAction( GeneralInsertMenuAction.INSERT_TABLE_ID );
		action.setText( GeneralInsertMenuAction.INSERT_TABLE_DISPLAY_TEXT );
		subMenu.add( action );
		action = getAction( GeneralInsertMenuAction.INSERT_DYNAMIC_TEXT_ID );
		action.setText( GeneralInsertMenuAction.INSERT_DYNAMIC_TEXT_DISPLAY_TEXT );
		subMenu.add( action );
		/*
		 * Extended Items insert actions
		 */
		List points = ExtensionPointManager.getInstance( )
				.getExtendedElementPoints( );
		for ( Iterator iter = points.iterator( ); iter.hasNext( ); )
		{
			ExtendedElementUIPoint point = (ExtendedElementUIPoint) iter.next( );
			IElementDefn extension = DesignEngine.getMetaDataDictionary( )
					.getExtension( point.getExtensionName( ) );
			String displayName = new String( );
			displayName = extension.getDisplayName( );
			action = getAction( point.getExtensionName( ) );
			if ( action != null )
			{
				if ( displayName.equalsIgnoreCase( "Chart" ) ) 
				{
					action.setText( "&" + displayName ); 
				}
				else
				{