fourcolors

## Error

couldn't find file 'bootstrap-dropdown'
  (in /Users/node/Projects/samplator/app/assets/javascripts/application.js:9)

sprockets (2.0.3) lib/sprockets/context.rb:100:in `resolve'
sprockets (2.0.3) lib/sprockets/context.rb:140:in `require_asset'
sprockets (2.0.3) lib/sprockets/directive_processor.rb:214:in `process_require_directive'
sprockets (2.0.3) lib/sprockets/directive_processor.rb:164:in `block in process_directives'
sprockets (2.0.3) lib/sprockets/directive_processor.rb:162:in `each'

fourcolors

<%= form_tag registration_index_path do %>
  <%= fields_for User.new do |u| %>
    <%= u.label :phone %>
    <%= u.text_field :phone %>
  <% end %>
  <p>
    <%= label_tag :workout %>
    <%= check_box_tag :workout %>
  </p>
  <p>