Bug 122850 Table/list should not be able to be inserted in Master Page mode.
Description: Table/list should not be able to be inserted in Master Page mode. Steps to reproduce: 1. New a report and transfer to Master Page mode. 2. New a datasource and dataset 3. Drag a list/table to page header/footer, bind it to dataset and drag some columns inside. 4. Save and preview Expected result: Insert list/table item in master page should be forbidden. Actual result: They are allowed and preview showed "undefine" in page
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
if ( attributeListeners == null )
			return false;
		return attributeListeners.remove( listener );
	}
	/**
	 * Broadcasts the file name event to the file name listeners.
	 * 
	 * @param event
	 *            the file name event
	 */
	public void broadcastFileNameEvent( AttributeEvent event )
	{
		if ( attributeListeners != null )
		{
			Iterator iter = attributeListeners.iterator( );
			while ( iter.hasNext( ) )
			{
				IAttributeListener listener = (IAttributeListener) iter.next( );
				listener.fileNameChanged( (ModuleHandle) getHandle( this ),
						event );
			}
		}
	}
	/**
	 * Adds one dispose listener. The duplicate listener will not be added.
	 * 
	 * @param listener
	 *            the dispose listener to add
	 */
	public void addDisposeListener( IDisposeListener listener )