first attempt at devise api routes for registration
correctly wire up devise with  the api versioning
addsuccess and failure for devise registration create action
remove devise sessions routes

use OAuth and our trusted client application to provide username & password to token authentication.
Use doorkeeper resource owner password credentials authentication flow rejecting disabled users

Allow doorkeeper to convert login & password credentials to a valid token whilst rejecting disabled users. Note: this process relies on a trusted client for OAuth (our client applications).
do not sign in a user with devise (warden) after registration
add password reset functionality via email
add skeleton update password with reset_token
use devise hook to reject authentication for disabled users
Setup password resets for active users only
only allow our system authentication users to reset passwords
Remove unnecessary oauth application controller
Merge pull request #79 from edpaget/feature-remove_oauth_app_controler

Remove unnecessary oauth application controller