ENYO-338: Correct actions of dialog buttons.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1714 from enyojs/ENYO-338-aarontam

ENYO-338: Correct actions of dialog buttons.

Reviewed-by: Derek Anderson (derek.anderson@lge.com)
Integrated-by: Ryan Duffy (ryan.duffy@lge.com)