Update lib/layout code to use enyo.inherit instead of this.inherited

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge branch 'master' into use-enyo-inherit
Update patch for pre.8 final changes

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge pull request #50 from enyojs/use-enyo-inherit

Update lib/layout code to use enyo.inherit instead of this.inherited

Reviewed-By: Ben Combee (ben.combee@lge.com)