Merge pull request #555 from bigbluebutton/alpha-2.1.1

.gitignore

.rubocop.yml

app/assets/javascripts/admins.js

app/assets/javascripts/header.js

app/assets/javascripts/search.js

app/assets/stylesheets/_tabler-custom.scss

app/assets/stylesheets/admins.scss

app/assets/stylesheets/utilities/_primary_themes.scss

app/controllers/account_activations_controller.rb

app/controllers/admins_controller.rb

app/controllers/application_controller.rb

app/controllers/concerns/emailer.rb

app/controllers/concerns/registrar.rb

app/controllers/concerns/themer.rb

app/controllers/main_controller.rb

app/controllers/rooms_controller.rb

app/controllers/sessions_controller.rb

app/controllers/themes_controller.rb

app/controllers/users_controller.rb

app/helpers/admins_helper.rb