app/views/layouts/_footer.html.erb
<div id="footer">
<hr>
<p>
<%= @appconfig.footer.html_safe if @appconfig %>
</p>
<p>
Powered by <a href="https://github.com/YaleSTC/shifts" target="_blank">Shifts</a><%= ' (' + APP_VERSION + ')' %><br />
Use this <a href="https://docs.google.com/a/yale.edu/spreadsheet/viewform?formkey=dE8zTFprNVB4RTAwdURhWEVTTlpDQVE6MQ#gid=0" target="_blank">form</a>
to report a bug.<br />
<% if current_user && current_user.superuser? %>
Superuser mode <%= link_to (current_user.supermode? ? 'ON' : 'OFF'),
{ su_mode: current_user.supermode? ? 'OFF' : 'ON' } %>
<%# note that passing true false wont work because Rails thinks that false means not to pass it %>
<% end %>
</p>
<p>
© <%= Time.now.year %>
<%= link_to 'Yale Student Developers', 'http://yalestc.github.io/', target: '_blank' %>
</p>
</div>