seems to be done
resolve conflicts
fix sign_in form
add helper methods to app_controller
add missing files
Fix & add specs
Add methods specs for User
Fix seeds
Fix url
add missed controllers
change root url
redirection fix
Merge pull request #18 from MikeAndrianov/g18_ypa__Refactor_User_model

Refactor User model
add authorization
hotfix redirection
add permissions
Merge branch 'g19_ypa__Google_Drive_integration' of https://github.com/MikeAndrianov/easy_learning into g19_ypa__Google_Drive_integration