Adding node modules

Resolves #8 

Adds:
 - csslint', 'version' => '^0.10.0'
 - jslint', 'version' => '^0.5.2'
 - coffee-script', 'version' => '^1.7.1'
 - jsonlint', 'version' => '^1.6.0'
 - mocha', 'version' => '^1.20.1'
 - coffeelint', 'version' => '^1.5.2'