Pretty-print semester on course page

templates/course.html

@@ -20,7 +20,11 @@
 		<div class="col-xs-12">
 			<table class="table-top-aligned table-condensed">
 				<tbody>
+					{% if ismod() %}
 					<tr><td>Semester:</td><td>{{ moderator_editor(['courses',course.id,'semester'], course.semester) }}</td></tr>
+					{% else %}
+					<tr><td>Semester:</td><td>{{ course.semester|semester(long=True) }}</td></tr>
+					{% endif %}
 					<tr><td>Veranstalter:</td><td>{{ moderator_editor(['courses',course.id,'organizer'], course.organizer) }}</td></tr>
 					<tr><td>Bemerkungen:</td><td>{{ moderator_editor(['courses',course.id,'description'], course.description) }}</td></tr>
 				</tbody>