Update MyUW Service Outage Page

Addresses changes requested in #94

myuw-root-webapp/src/main/webapp/500.html

@@ -28,9 +28,9 @@
 
             <h3>We apologize for the inconvenience. Below, find links to University applications and resources.</h3>
             <ul role="menu">
-              <li>If you are trying to access the Local & Emergency Contact admin interface for an emergency situation, please call the <a href="https://kb.wisc.edu/helpdesk/">Help Desk</a> at 608-264-4357 immediately.</li>
-              <li>More information about this outage may be available at the <a href="http://outages.wisconsin.edu/">UW System Outages Page</a> or <a href="http://outages.doit.wisc.edu/">UW Madison Outages Page</a>.</li>
-              <li>If the resource you need is not listed below, the <a href="https://kb.wisc.edu/helpdesk/">Help Desk</a> may be able to assist you during this outage.</li>
+              <li role="menuitem">If you are trying to access the Local & Emergency Contact admin interface for an emergency situation, please call the <a href="https://kb.wisc.edu/helpdesk/">Help Desk</a> at 608-264-4357 immediately.</li>
+              <li role="menuitem">More information about this outage may be available at the <a href="http://outages.wisconsin.edu/">UW System Outages Page</a> or <a href="http://outages.doit.wisc.edu/">UW Madison Outages Page</a>.</li>
+              <li role="menuitem">If the resource you need is not listed below, the <a href="https://kb.wisc.edu/helpdesk/">Help Desk</a> may be able to assist you during this outage.</li>
             </ul>
 
             <!-- SERVICE LINKS -->