Update CONTRIBUTING md to note the Enyo style guide.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Remove extra whitespace from kind-template.js

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Make loader.js jshint-clean

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Update uglify-js to 2.2.5, less to 1.3.3, and modify minify.js to handle the new API

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge branch 'master' of github.com:enyojs/enyo