Add jshint-stylish for some stylish jshinting

https://github.com/sindresorhus/jshint-stylish
Add load-grunt-tasks

https://github.com/sindresorhus/load-grunt-tasks
Add time-grunt

https://github.com/sindresorhus/time-grunt
Update docs, package to shift from generator-node to generator-node-mocha
Updated tests, grunt tasks for Mocha