anchor.diff:  </div>
   
   <div class="prospective_collaborators">
  -  <% if @project.admin_id == current_user.id || @project.current_collaborators.include?(current_user) %>
  -    <% unless @project.prospective_collaborators.empty? || @project.status == "completed" %>
  +  <% if current_user.is_admin_for?(@project) || @project.current_collaborators.include?(current_user) %>
  +    <% unless @project.prospective_collaborators.empty? %>
       <div class="want_to_join">
         <h4>These people want to join your team</h4>
         <% @project.prospective_collaborators.each do |user| %>
  
positive.code:         <div class="team_member_profile">
            <li>
              <strong><%= user.name %></strong>
              <% unless user.rated?(@project) %>
                <ul>
                  <% user.skills.each do |skill| %>
                    <li>
                    <%= skill.name %><%= button_to "Endorse!", {controller: "user_projects", action: "update", user_id: user.id, project_id: @project.id, skill_id: skill.id}, method: :post %>
                  </li>
                  <% end %>
                </ul>
              <% end %>
  
negative.code:               <div class="skill"><%= skill.name %></div>
              <% end %>
            </div>
            <% if current_user.is_admin_for?(@project) %>
              <%= button_to "Approve collaboration", {controller: "user_projects", action: "approve_collaboration", user_id: user.id, project_id: @project.id}, method: :post %>
              <%= button_to "Deny collaboration", {controller: "user_projects", action: "deny_collaboration", user_id: user.id, project_id: @project.id}, method: :post %>
            <% end %>
  