Advanced specs

[bpurinton]

Things that are not yet tested for but could be on this PR:

• presence of link_to
• other Devise steps like logging out and logging in
• use of partials for view templates
• use of form partials with variables
• use of link_to helper methods in navbar
• presence of private controller actions, like movie_params to permit new columns
• presence of before_action in controller to set_movie for certain actions