Change schedule to Summer

Author: inioslawa

head.html

@@ -29,7 +29,7 @@ <h1>GIS/MEA 584:<br>Mapping and Analysis Using UAS</h1>
     (likely the schedule page), so check that when changing what schedule
     file to use here.
 -->
-<li><a href="schedule_spring.html">Schedule</a></li>
+<li><a href="schedule.html">Schedule</a></li>
 <li><a href="logistics.html">Course logistics</a></li>
 <li><a href="topics.html">Topics</a></li>
 <!--<li><a href="lectures.html">Lectures</a></li>-->