Bug 124067 When select the XML file, the relative path should be supported.
Description: When select the XML file, the relative path should be supported. Step to reproduce: 1. new a report 2. new a datasource and dataset based on a XML file 3. select the XML file, the file relative path should be used. Actual result: only the absolute path is supported. Expect result: the relative and absolute path are supported.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/adapter/ModelDteApiAdapter.java
{
	private ExecutionContext context;
	private Scriptable jsScope;
	/**
	 * @deprecated Construct an instance of this class directly
	 */
	public static ModelDteApiAdapter getInstance( )
	{
		return new ModelDteApiAdapter( );
	}
	/**
	 * @deprecated use createDataSourceDesign( dataSource )
	 */