Bug 156497 [Regression][Acceptance]Report isn't refreshed when delete used library file.
Description: Report isn't refreshed when delete used library file. Steps to reproduce: 1.New a library, add a label, input actuate. 2.New a report, extend lib.label 3.Delete the library file. 4.Refresh the report in Outline of the report Expected result: Empty label in Layout. Actual result: label with content "actuate" in Layout.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/LibraryRecord.java
List librariesToUpdate = module.getLibraries( ).subList( 0,
					toUpdateLibraryCount );
			updateReferenceableClients( librariesToUpdate );
		}
		else
		{
			position = module.dropLibrary( library );
			
			
			updateReferenceableClients( library );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.activity.AbstractElementRecord#getTarget()
	 */
	public DesignElement getTarget( )
	{
		return module;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.activity.AbstractElementRecord#getEvent()
	 */
	public NotificationEvent getEvent( )
	{
		if ( add && state != UNDONE_STATE || !add && state == UNDONE_STATE )
			return new LibraryEvent( library, LibraryEvent.ADD );