Bug 152834 support HTML description of the template
The template descrition is a fragment of HTML, use that fragment to render the template in HTML.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
Object imageMap = null;
				byte[] imageContent = new byte[0];
				Object image = output;
				if ( type == IReportItemPresentation.OUTPUT_AS_IMAGE_WITH_MAP )
				{
					
					Object[] imageWithMap = (Object[]) output;
					if ( imageWithMap.length > 0 )
					{
						image = imageWithMap[0];
					}
					if ( imageWithMap.length > 1 )
					{
						imageMap = imageWithMap[1];
					}
				}
				if ( image instanceof InputStream )
				{
					imageContent = readContent( (InputStream) image );
				}
				else if ( output instanceof byte[] )
				{
					imageContent = (byte[]) image;
				}
				else
				{
					assert false;
					logger.log( Level.WARNING,