anchor.diff:                <div class="skill"><%= skill.name %></div>
               <% end %>
             </div>
  -          <% if @project.admin_id == current_user.id %>
  +          <% 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 %>
  
positive.code: </div>
  
  <div class="prospective_collaborators">
    <% if @project.admin_id == current_user.id || @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>
  
negative.code:         <div class="team_member_profile">
            <li>
              <strong><%= user.name %></strong>
              <% unless user.rated?(@project) || user.id == current_user.id %><!-- don't rate yourself -->
                <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 %>
  