Bug 187213 Provid a writer to serialize design in document without any white space.
Add a new writer for serialize design in document without any withe space.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
{
				PropertyDefn memberDefn = (PropertyDefn) memberIter.next( );
				
				
				
				writeMember( struct, memberDefn );
			}
			writer.endElement( );
		}
		writer.endElement( );
	}
	/**
	 * Writes user property definitions.
	 * 
	 * @param obj
	 *            the element that contains user properties
	 */
	protected void writeUserPropertyDefns( DesignElement obj )
	{
		List props = obj.getLocalUserProperties( );
		if ( props == null || props.size( ) == 0 )
			return;
		writer.startElement( DesignSchemaConstants.LIST_PROPERTY_TAG );
		writer.attribute( DesignSchemaConstants.NAME_ATTRIB,
				IDesignElementModel.USER_PROPERTIES_PROP );
		Iterator iter = props.iterator( );
		while ( iter.hasNext( ) )
		{
			UserPropertyDefn propDefn = (UserPropertyDefn) iter.next( );
			writer.startElement( DesignSchemaConstants.STRUCTURE_TAG );