cleanup unnecessary code

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@lge.com>
formatting and cleanup

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@lge.com>
add required functionality of having the controller sync empty fields on model removed, add unit test

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@lge.com>
appease jshintlord

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@lge.com>
Merge pull request #436 from enyojs/spot-fixes

Spot fixes

Reviewed-By: Ben Combee (ben.combee@lge.com)