CC-1799 Put Airtime Storage into a Human Readable File Naming Convention

selecting a mode to prevent some cases where a duplicate could be entered for only 1 file.

airtime_mvc/application/models/StoredFile.php

@@ -450,7 +450,7 @@ class StoredFile {
 
             return $storedFile;
         }
-        else{
+        else {
             return null;
         }
     }