Pretty-print semester in search results

templates/macros.html

@@ -62,7 +62,7 @@ $('#videoplayer').css("width");
 	<div class="row">
 			{% if show_semester %}
 				<span class="col-xs-2 col-md-1">
-					{{ course.semester }}
+					{{ course.semester|semester }}
 				</span>
 				<span class="col-xs-10 col-md-6">
 			{% else %}