Added "dismissOnEnter" support to input-headers.
Updated HeaderSample with example.
Enyo-DCO-1.1-Signed-off-by: Blake Stephens <blake.stephens@lge.com>
Merge branch 'master' into ANG-179-blakestephens

Conflicts:
	samples/HeaderSample.js
	source/Header.js
Merge pull request #1086 from enyojs/ANG-179-blakestephens

ANG-179: Added "dismissOnEnter" support to input-headers.