Merge pull request #24 from davegw/feat/oauth

Add Parse to app and create user signup and login routes and views
Refactor Auth service. Write tests for auth service, Configure Neo4j to connect with published vm
Update: Auth Spec
Merge pull request #25 from joelcoxokc/test

Refactor Auth service. Write tests for auth service, Configure Neo4j …
Add signup/login unit tests
Store username as email address
Store user session on signup