fixed width of stats

templates/course.html

@@ -67,7 +67,7 @@
 		</div>
 		<div class="col-md-6 col-xs-12">
 			<p class="text-center">Zuschauer pro Termin</p>
-			<div class="col-md-6 col-xs-12 plot-view" data-type="bar" data-url="{{url_for('stats_generic', req="lecture_views", param=course.id)}}"></div>
+			<div class="plot-view" data-type="bar" data-url="{{url_for('stats_generic', req="lecture_views", param=course.id)}}"></div>
 		</div>
 	</div>
 </div>

templates/lecture.html

@@ -84,11 +84,11 @@
         <div class="row panel-body collapse out panel-collapse" id="statspanel">
                 <div class="col-md-6 col-xs-12">
                         <p class="text-center">Zuschauer pro Tag</p>
-			<div class="col-xs-12 plot-view" data-url="{{url_for('stats_viewsperday', req="lecture", param=lecture.id)}}"></div>
+			<div class="plot-view" data-url="{{url_for('stats_viewsperday', req="lecture", param=lecture.id)}}"></div>
                 </div>
                 <div class="col-md-6 col-xs-12">
                         <p class="text-center">Zuschauer im Livestream</p>
-			<div class="col-xs-12 plot-view" data-url="{{url_for('stats_generic', req="live_views", param=lecture.id)}}"></div>
+			<div class="plot-view" data-url="{{url_for('stats_generic', req="live_views", param=lecture.id)}}"></div>
                 </div>
         </div>
 </div>