Fix browser-update.js so it doesn't depend on jQuery

app/assets/javascripts/main_include.js

@@ -11,7 +11,6 @@
 //= require bootstrap-dropdown.js
 //= require bootstrap-modal.js
 //= require bootstrap-transition.js
-//= require browser-update.js
 //= require chosen.jquery.js
 //= require ember-renderspeed.js
 //= require favcount.js
@@ -70,5 +69,3 @@
 //= require_tree ./discourse/helpers
 //= require_tree ./discourse/templates
 //= require_tree ./discourse/routes
-
-//= require browser-update.js

app/views/common/_discourse_javascript.html.erb

@@ -20,3 +20,5 @@
   Discourse.Router.map(function() { Discourse.routeBuilder.call(this); });
   Discourse.start()
 </script>
+
+<%= javascript_include_tag 'browser-update' %>