Fixed pagination for themes after changing policy. Sorted thmes by updated_at desc. DMPRoadmap/roadmap#869

added a test that searches for missing translations. Added specific error messages for model validations. Added some devise controlled error messages to pot/po files DMPRoadmap/roadmap#236

added theme unit tests and started cleanup of remaining existing tests

updated theme and user models's associations

updated models for data migration

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

DMPonline4 - RAILS 4.0 (#4) ...

Merging the initial DMPOnline4 codebase into Roadmap

DMPonline4, this code was designed and implemented by the Digital
Curation Centre (DCC)
DMPonline runs in Ruby 2.1 and Rails 4.0, there is a mysql database.