Add Heroku Procfile
Merge pull request #18 from js-uy/heroku-procfile

Add Heroku Procfile :trollface:
Revert "Add Heroku Procfile :trollface:"
Merge pull request #19 from js-uy/revert-18-heroku-procfile

Revert "Add Heroku Procfile :trollface:"
Rename test specs

Ditch redundant naming scheme
Use Mongoose's Model instead of class imports
Formatting
Extract auth test