Bug 130492 Provide a method to serialize the report with library information.
Currently, when engine generate the report document file, the document does not contain any library information. That will cause many propblem on server side. Model should provide a method to serialize the report with library information to a stream so that the generated report document can contain all information that the report need.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
continue;
			}
			else
				value = propHandle.getElement( ).getStrategy( )
						.getPropertyExceptRomDefault( propHandle.getModule( ),
								propHandle.getElement( ), propDefn );
			Object valueToSet = ModelUtil.copyValue( propHandle.getDefn( ),
					value );
			destination.getElement( ).setProperty( propName, valueToSet );
		}
	}
	/**
	 * Duplicates the extension identifier. The extension identifier must be set
	 * before copy other property values. If the identifier is not set first,
	 * extension property definitions cannot be found. Hence, duplicating
	 * property values cannot be right.
	 * <p>
	 * The extension identifier is:
	 * <ul>
	 * <li>EXTENSION_ID_PROP for Oda elements.
	 * <li>EXTENSION_NAME_PROP for extension elements like chart.
	 * </ul>
	 * 
	 * @param source
	 *            handle of the source element
	 * @param destination
	 *            handle of the destination element
	 */
	private static void duplicateExtensionIdentifier(
			DesignElementHandle source, DesignElementHandle destination )