anchor.diff:      </div>
   
       <% if current_participant.admin? %>
  -      <%= f.association :organizer, :include_blank => false, :label_method => lambda { |host| "#{host.organizer}" } %>
  +    <%= f.association :organizer, :include_blank => true, :label_method => lambda { |host| "#{host.organizer}" } %>
       <% end %>
       <%= f.input :email, placeholder: 'Email', required: true %>
       <%= f.input :github, placeholder: 'Github' %>
  
positive.code: 
  <%= render 'participants/edit/avatar' %>
  
  <%= simple_form_for(@participant) do |f| %>
  <div class="row">
    <div class="col-md-4 col-md-offset-4">
      <%= f.input :name, required: true, placeholder: 'Enter your name' %>
  
  
      <div id="content">
        <ul id="tabs" class="nav nav-tabs" data-tabs="tabs">
  
negative.code:     <%= f.input :twitter, placeholder: 'Twitter'  %>
      <%= f.input :website, placeholder: 'Website'  %>
      <%= f.button :submit, "Save", class: "btn btn-primary btn-block outline" %>
    </div>
  </div>
  
  <% end %>
  