Merge branch 'IIMtoDXG' into 'master'

Replace IIM references with DXG

See merge request iim/unl-resource-scheduler!14

views/template_partials/footer.erb

 <nav id="dcf-footer-group-1" role="navigation" aria-labelledby="dcf-footer-group-1-heading">
   <div class="">
     <h3 class="dcf-txt-md dcf-bold dcf-uppercase dcf-lh-3 unl-ls-2 unl-cream" id="dcf-footer-group-1-heading">About UNL Resource Scheduler</h3>
-    <p>This application is a product of the <a href="https://iim.unl.edu/">Internet and Interactive Media group at Nebraska</a>. IIM is a partnership of <a href="https://ucomm.unl.edu/">University Communication</a> and <a href="https://its.unl.edu/">Information Technology Services</a>.</p>
-  </div>
+    <p>This application is a product of the <a href="https://dxg.unl.edu/">Digital Experience Group at Nebraska</a>. DXG is a partnership of <a href="https://ucomm.unl.edu/">University Communication</a> and <a href="https://its.unl.edu/">Information Technology Services</a>.</p>
+</div>
 </nav>
 <nav id="dcf-footer-group-2" role="navigation" aria-labelledby="dcf-footer-group-2-heading">
   <h3 class="dcf-txt-md dcf-bold dcf-uppercase dcf-lh-3 unl-ls-2 unl-cream" id="dcf-footer-group-2-heading">Related Links</h3>
   <ul class="dcf-list-bare dcf-mb-0">
-    <li><a href="http://wdn.unl.edu/">Web Developer Network</a></li>
-    <li><a href="http://iim.unl.edu/">Internet and Interactive Media</a></li>
-    <li><a href="http://ucomm.unl.edu/">University Communication</a></li>
-    <li><a href="http://its.unl.edu/">Information Technology Services</a></li>
+    <li><a href="https://wdn.unl.edu/">Web Developer Network</a></li>
+    <li><a href="https://dxg.unl.edu/">Digital Experience Group</a></li>
+    <li><a href="https://ucomm.unl.edu/">University Communication</a></li>
+    <li><a href="https://its.unl.edu/">Information Technology Services</a></li>
   </ul>
 </nav>
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