add devise to the gemfile
install devise into the app
Merge branch 'master' into add-devise

* master:
  get rid of turbolinks and add pry
Merge branch 'master' of github.com:syoder/trail_reporter into add-devise
Generate devise User model
Modified the create_users migration, added a field for :trail_name :string
Merge branch 'add-devise' of github.com:syoder/trail_reporter into add-devise
Merge branch 'master' into add-devise

* master:
  add changes to Gemfile.lock
  created homepage, route & controller
Merge branch 'add-devise' of github.com:syoder/trail_reporter into add-devise
added sign in links
Altered devise minimum password length
Merge pull request #2 from syoder/add-devise

Add devise