ext-js-grid-grouping-tutorial: configure and add adopted version of it

http://miamicoder.com/2014/ext-js-grid-grouping-tutorial/

app module repo: https://github.com/olecom/extjs-grid-grouping
config: setup another port from supro defaults
supro demo v003@2014-10-29

* update meta info
* new app_module: extjs-grid-grouping
  repo: https://github.com/olecom/extjs-grid-grouping