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/core/DesignElement.java
.getLibraryNamespace( ), extendsRef.getName( ) );
	}
	/**
	 * Returns the optional element name.
	 * <p>
	 * Part of: The name system.
	 * 
	 * @return Returns the name.
	 */
	public String getName( )
	{
		return name;
	}
	/**
	 * Sets the element name. The caller must have cleaned up any references to
	 * the old name, have changed any name spaces as needed, have verified the
	 * name, and so on.
	 * <p>
	 * Part of: The name system.
	 * 
	 * @param newName
	 *            The name to set.
	 */
	public void setName( String newName )
	{
		name = newName;
	}
	/**
	 * Returns the container element.
	 * <p>