Bug 176436 Charts Imported from Libraries do not update when libraries change
During a live presentation of BIRT at EclipseCon, we came across a rather embarassing issue. When charts are included in a library, and imported into a report design from a library, any changes to the library instance of the chart do not reflect in the report itself.
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/library/ReloadLibraryTest.java
List events = new ArrayList( );
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.model.core.Listener#notify(org.eclipse.birt.report.model.core.DesignElement,
		 *      org.eclipse.birt.report.model.activity.NotificationEvent)
		 */
		public void elementChanged( DesignElementHandle focus,
				NotificationEvent ev )
		{
			events.add( ev );
		}
	}
	/**
	 * Copies a bunch of design/library files to the temporary folder.
	 * 
	 * @param fileNames
	 *            the design/library file names. The first item is the main
	 *            design file.
	 * @return the file path of the design file
	 * @throws Exception
	 */
	private List dumpDesignAndLibrariesToFile( List fileNames )
			throws Exception
	{
		List filePaths = new ArrayList( );
		for ( int i = 0; i < fileNames.size( ); i++ )
		{
			String resourceName = (String) fileNames.get( i );
			filePaths.add( copyContentToFile( resourceName ) );