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.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
List configVars = (List) module.getLocalProperty( module,
				CONFIG_VARS_PROP );
		if ( configVars == null )
			return -1;
		int i = 0;
		for ( Iterator iter = configVars.iterator( ); iter.hasNext( ); i++ )
		{
			ConfigVariable var = (ConfigVariable) iter.next( );
			if ( var.getName( ).equals( name ) )
			{
				return i;
			}
		}
		return -1;
	}
	/**
	 * Finds a data set by name in this module and the included modules.
	 * 
	 * @param name
	 *            name of the data set
	 * @return a handle to the data set, or <code>null</code> if the data set
	 *         is not found
	 */
	public DataSetHandle findDataSet( String name )
	{
		DesignElement element = module.findDataSet( name );
		if ( !( element instanceof DataSet ) )
			return null;
		return (DataSetHandle) element.getHandle( element.getRoot( ) );
	}