Fixies
1) jQuery turbolinks gem as JS compatibility workaround
2) FIX email guesser init
3) UserGroup visibilities change to Symbols to support translations
4) Help - fix changed terms
5) FIX add new user menu visible to coach
6) FIX locale for tests with user
7) FIX training lesson tests
- support translated terms calculation anbd day
8) FIX User show test
9) FIX rake install script check for production install