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
writer.startElement( DesignSchemaConstants.SCRIPT_DATA_SOURCE_TAG );
		super.visitScriptDataSource( obj );
		property( obj, IScriptDataSourceModel.OPEN_METHOD );
		property( obj, IScriptDataSourceModel.CLOSE_METHOD );
		writer.endElement( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.elements.ElementVisitor#visitExtendedDataSource(org.eclipse.birt.report.model.elements.ExtendedDataSource)
	 */
	public void visitOdaDataSource( OdaDataSource obj )
	{
		writer.startElement( DesignSchemaConstants.ODA_DATA_SOURCE_TAG );
		attribute( obj, DesignSchemaConstants.EXTENSION_ID_ATTRIB,
				IOdaExtendableElementModel.EXTENSION_ID_PROP );
		super.visitOdaDataSource( obj );
		writeOdaDesignerState( obj, IOdaDataSourceModel.DESIGNER_STATE_PROP );
		List properties = (List) obj.getLocalProperty( getModule( ),
				IOdaDataSourceModel.PRIVATE_DRIVER_PROPERTIES_PROP );
		writeExtendedProperties( properties,
				IOdaDataSourceModel.PRIVATE_DRIVER_PROPERTIES_PROP );
		writeOdaExtensionProperties( obj,
				IOdaExtendableElementModel.EXTENSION_ID_PROP );
		writer.endElement( );
	}
	/**
	 * Writes ODA exension properties.
	 * 
	 * @param obj