Add persistent sessions
Add registration_type field
Remove admin route
Fix persistent session
GET /authorize
Add authenticateFirst which redirects to login

if user is not authenticated
Add redirection in case of error [RFC6479, 4.1.2]
POST /authorize + Authorization code
add callback url with the authorization code model
Add support for multiple schemas
Working Server flow
Add client_id to POST /token
Merge branch 'develop' into webflow-client

Conflicts:
	lib/app.js
Add support to send error in 302 responses
Refactor test using async.waterfall
Add unauthorized_client
Add test on required fields /authorize
Simplify init using async.series
Add client_id in schema
JsHint