Added authentication test and registration controller test. Added troubleshooting info to README. Added generic omniauth id to registration form

Removed logo from identifier_schemes db table and added it to yaml locales. Added more entries for to the locales for oauth. Added red 'x' removal link for oauths on profile page. updated registrations controller so that users hitting the oauth handler that are not already signed in are brought to a registration page with a new user record that is connected to the oauth identifier

update ReadMe.md

update ReadMe.md

Merging current stable development branch into master (#23) ...

This is our unofficial v.0.1.0 release. It includes:
- Rails 4.2 migration
- Internationalization
- API
- Institutional logo upload (thanks to Weiwei and the Univ. of Alberta)
- Generic branding
- General cleanup of code and bug fixes

Create readme (#2) (#3) ...

* Added the initial README file

* corrected markup in the README