Remove unused store of undefined to arguments[0] from enyo.Collection.constuctor; jshint 2.1.2 doesn't like altering of arguments.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Change assignment in enyo.Model.constructor from arguments[0] to the non-strict mode alias "props" to appease jshint 2.1.2
Other jshint cleanups

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Whitespace and brace style cleanups, no actual code changes

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge pull request #289 from enyojs/jshint-cleanup

Jshint cleanup