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
default :
					assert false;
			}
		}
	}
	protected DataID getDataID( )
	{
		return null;
	}
	protected void initializeContent( IContent parent,
			ReportElementDesign design, IContent content )
	{
		InstanceID pid = null;
		if ( parent != null )
		{
			pid = parent.getInstanceID( );
		}
		InstanceID id = new InstanceID( pid, design == null ? -1 : design
				.getID( ), getDataID( ) );
		content.setInstanceID( id );
		content.setGenerateBy( design );
		content.setParent( parent );
	}
	/**
	 * starts a TOC entry, mostly used for non-leaf TOC entry, which can not be
	 * closed until its children have been written. 
	 * 
	 * @param content report item content object
	 */
	protected void startTOCEntry( IContent content )