Bug 119398 Using RenderTask to render pdf file but the master page information lost.
Description: Using RenderTask to render pdf file but the master page information lost. Steps to reproduce: 1. Generate attached case1.rptdesign to report document 2. Using RenderTask to render report document to pdf file. Expected result: Master Page contents show in pdf file. Actual result: In generated pdf file, I saw "NO DATA FOUND!!!" instead of master page contents
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ReportItemExecutor.java
{
	/**
	 * the logger, log info, debug, and error message
	 */
	protected static Logger logger = Logger.getLogger( ReportItemExecutor.class
			.getName( ) );
	/**
	 * the report content
	 */
	protected IReportContent report;
	/**
	 * the executor context
	 */
	protected ExecutionContext context;
	/**
	 * the executor visitor
	 */
	protected IReportItemVisitor visitor;
	/**