Add support for summary and groupsummary features.

 * Modified by Steven Ervin - 2013-Sep-18
 * Added support for summary and groupingsummary features
 * Aligned columns according to grid column's alignment setting.
 * Updated to use columnManager to recognize grid reconfiguration
 * changes under 4.2.1.

featureId is no longer required as Printer.js now finds the relevant featuse from the grid view.