Initialize timeago only after language is set

closes #7419

app/assets/javascripts/main.js

@@ -9,7 +9,7 @@
 //= require autosize
 //= require charcount
 //= require jquery-placeholder
-//= require rails-timeago
+//= require jquery.timeago
 //= require jquery-ui/core
 //= require jquery-ui/widget
 //= require jquery-ui/mouse

app/assets/javascripts/mobile/mobile.js

@@ -11,7 +11,7 @@
 //= require keycodes
 //= require jquery.autoSuggest.custom
 //= require fine-uploader/fine-uploader.core
-//= require rails-timeago
+//= require jquery.timeago
 //= require underscore
 //= require bootstrap
 //= require diaspora

app/assets/javascripts/widgets/timeago.js

@@ -28,6 +28,10 @@
       }
 
       $.timeago.settings.autoDispose = false;
+
+      $(function() {
+        $("time[data-time-ago]").timeago();
+      });
     });
   };
 })();