added active class to show which tab is active in services overview

app/templates/services.html

@@ -47,7 +47,7 @@
 	{{ service_warning() }}
 	<div class="tabbable tabs-left">
 		<ul class="nav nav-pills" id="tabs">
-			<li>
+			<li class="active">
 				<a href="#tab1" data-toggle="tab">Inspektionen</a>
 			</li>
 			<li>