Bug 130274 [RCP]The status of library keep unsaved when click the save button
Description: The status of library keep unsaved when click the save button Steps to reproduce: 1. new a library 2. new a text and input something in it 3. save the library. Actual resutl: The status of library keep unsaved. When you close and reopen it, the modification has been saved. Expect result: The status of library should be presented as saved when click the save button
UI/org.eclipse.birt.report.designer.ui.editors/src/org/eclipse/birt/report/designer/ui/editors/MultiPageReportEditor.java
* (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.IPartListener#partOpened(org.eclipse.ui.IWorkbenchPart)
	 */
	public void partOpened( IWorkbenchPart part )
	{
	}
	/**
	 * Tell me, i am activated.
	 * 
	 */
	public void handleActivation( )
	{
		if ( fIsHandlingActivation )
			return;
		fIsHandlingActivation = true;
		try
		{
			
			
		}
		finally
		{
			fIsHandlingActivation = false;
		}
	}
	/**
	 * check the input is modify by file system.
	 * 
	 * @param input