Add grunt-cafe-mocha support

Run mocha tests anytime a js file changes
Adding some sample mocha tests
Change default mocha reporter

'min' wipes the screen every time.
'dot' is just as compact without clearing the screen every time
Add users_show_view test
Replace grunt-cafe-mocha with 'npm test'
Whitespace
Merge pull request #18 from barrettcook/mocha-tests

Mocha tests