updated api templates endpoints to use new data access

replaces Organisation. with Org. in all files

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