ENYO-373: Add option to bypass adding control to roots.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #906 from enyojs/ENYO-373-aarontam

ENYO-373: Add option to bypass adding control to roots.

Integrated-By: Cole Davis (cole.davis@lge.com)