Create submenu kind
Add submenu styles
Create submenu sample
Adjust Submenu to fit style guide
Remove trailing comma and unused variable 'owner'
Removed hanging commas from documentation comment
Merge branch 'master' of https://github.com/ChrisMondok/onyx
Add SubmoduleSample.js to samples/package.js

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)