Removes views and db attribs of devise
Hopefully fully removes devise gem
Adds password_digest
Initial supervisor signup page
Initial create function for supervisors
Creates default supervisor permissions
Styles signup page
Refractors style for signup
Fixes typo in controller
Adds signup error messages rendering
Adds flash header to supervisors layout
Displays welcome flash
Creates routes for sessions
Adds login view
Stylizes login page
Adds flash for invalid login
Adds token generation to RegisteredUser
Log in logic
Removes outdated gender assignment function
Removes outdated function from supervisors controller