Update template event file

Author: Pico

styles/all/template/overall_footer_after.html

@@ -1,3 +1,4 @@
+<!-- S_GOOGLE_ANALYTICS_ENABLE -->
 <script>
   (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
   (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
@@ -8,3 +9,4 @@
   ga('send', 'pageview');
 
 </script>
+<!-- ENDIF -->