updates gruntfile so that 'grunt' runs nodemon server
fixes OAuth2 bug that was allowing access with /auth route
Merge pull request #7 from caasjj/master

updates gruntfile so that 'grunt' runs nodemon server. updates Oauth2 bug to redirect to /login on failed login with Venmo.
caasjj - adds config section to package.json, removes '--debug-brk' from grunt file nodemon task
caasjj - merges Brendon's service layer additions and related changes to routes
caasjj - moves app configuration to package.json from config/express.js
caasjj - implements hooks for authentication middleware, but currently forwards all routes pending definition of auth policy