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
baseId ).toString( ) );
			writer.attribute( DesignSchemaConstants.NAME_ATTRIB, virtualElement
					.getName( ) );
			writer.attribute( DesignSchemaConstants.ID_ATTRIB, new Long(
					virtualElement.getID( ) ).toString( ) );
			if ( !virtualElement.hasLocalPropertyValues( )
					&& virtualElement.getStyle( ) == null )
			{
				writer.endElement( );
				continue;
			}
			assert virtualElement.getExtendsElement( ) == null;
			List propDefns = null;
			if ( virtualElement instanceof ExtendedItem )
			{
				propDefns = ( (ExtendedItem) virtualElement ).getExtDefn( )
						.getProperties( );
			}
			else
			{
				propDefns = virtualElement.getPropertyDefns( );
			}
			for ( int i = 0; i < propDefns.size( ); i++ )
			{
				PropertyDefn propDefn = (PropertyDefn) propDefns.get( i );
				
				if ( IDesignElementModel.NAME_PROP.equalsIgnoreCase( propDefn
						.getName( ) )
						|| propDefn.getTypeCode( ) == IPropertyType.ELEMENT_TYPE )
					continue;