(feat) Added login route for modularity. Closes #31
Merge pull request #33 from christophertrev/feat/signupPage
(refactor) Connect server to mongo database. Add local mongoDB data folder to .gitignore. Closes #32
Merge pull request #34 from noodle/master

(refactor) Connect server to mongo database.  Closes #32
(bug) Correct spelling of MONGOLAB_URI environment variable
Merge pull request #35 from noodle/master

(bug) Correct spelling of MONGOLAB_URI environment variable
(feat) Add teacher view of classes. Hardcoded.