Migrated codebase from rails 4.0 to 4.2, also removed most of the version specifications from the gem dependencies and ran bundle update

Master (#7) ...

* Update license (merging Marta's change that added Univ. of Glasgow to the text)

Update license to include University of Glasgow.

* Added API and Localisation work

API development done by Sam Rust - xsrust
Localisation work done by Damodar Sojka - DamodarSojka