GRN-88: Fixed some things that Scrutinizer was complaining about (#433)

* Scrutinizer fixes

* Moved helper code to concern

* Another scrutinizer fix

* User controller conflict fix

* Another user controller fix

* Added include verifier

app/assets/javascripts/sort.js

@@ -92,6 +92,8 @@ $(document).on('turbolinks:load', function(){
         }
         else if(order === "desc"){
           return b_val.localeCompare(a_val);
+        } else {
+          return undefined;
         }