config/initializers/locale.rb getters/setters pointing at FastGettext. en-UK renamed to en_GB. DMPRoadmap/roadmap#98

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