BHV-5141: enyo.Group: Add event that notifies when selection actually changed
Enyo-DCO-1.1-Signed-off-by: Krishna Rangarajan <krishna.rangarajan@lge.com>
BHV-5141: Update and simplify sample.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #807 from enyojs/BHV-5141-krishnarangarajan-2

BHV-5141: enyo.Group: Add event that notifies when selection actually changed

Looks good!

Reviewed-by: Aaron Tam (aaron.tam@lge.com)