Add devise.
Run devise generator.
Authentication done.
Prevent guests from accessing movies.
Remove broken link.
Install pundit.
Authorization proof of concept.
Replace admin with database field.
Authorize :new action.
Link user with movie.
Some commit.
Permit published.
Merge branch 'authorization'

* authorization:
  Permit published.
  Some commit.
  Link user with movie.
  Authorize :new action.
  Replace admin with database field.
  Authorization proof of concept.
  Install pundit.