Bump ruby to 2.2.0. Bump any older incompatible gems. Bump rails to 4.2

- [ ] Abide to deprecation warnings
- [ ] Fix the webmocks - duplication in form methods?
- [x] Rubocop - shouting at spaces in the specs :gun:  

Substantial amount of gems have been bumped here.. :fearful: 
Fog installs all the things :mask: