Bug 130070 Created By is empty when new a report.
Description: Created By is empty when new a report. Steps to reproduce: 1. New a report and see Created By property. Result: It's empty.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/core/model/SessionHandleAdapter.java
private int type = DESIGNEFILE;
	IDisposeListener disposeLitener = new IDisposeListener( ) {
		public void moduleDisposed( ModuleHandle targetElement, DisposeEvent ev )
		{
			ReportMediator media = (ReportMediator) mediatorMap
					.get( targetElement );
			if ( media != null )
			{
				media.dispose( );
			}
			mediatorMap.remove( targetElement );
			targetElement.removeDisposeListener( this );
		}
	};
	
	private Map mediatorMap = new WeakHashMap( );
	/**
	 * constructor Mark it to private to avoid new opeartion.
	 */
	private SessionHandleAdapter( )
	{
	}
	public int getFileType( )
	{
		return type;
	}
	private static SessionHandleAdapter sessionAdapter;
	private SessionHandle sessionHandle;
	private ModuleHandle model;
	/**