re-add subscriptions

app/__init__.py

@@ -105,4 +105,11 @@ def create_app():
     def ts_datetime(ts, format):
         return datetime.utcfromtimestamp(ts or int(time.time())).strftime(format)
 
+    @app.template_filter("pluralize")
+    def pluralize(number, singular = "", plural = "s"):
+        if number == 1:
+            return singular
+
+        return plural
+
     return app