ENYO-2286: Add samples for core Enyo UI controls

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #52 from enyojs/ENYO-2286-aarontam

ENYO-2286: Add samples for core Enyo UI controls

Reviewed-By: Ben Combee (ben.combee@lge.com)