CC-5896: Store cloud files in separate table, inherited from cc_files

Refactored storedfile->delete()
Added a deletePhysicalFile function to CcFile and CloudFile
Cleaned up schedule events that get passed to Pypo

airtime_mvc/application/models/airtime/CcFiles.php

@@ -99,4 +99,9 @@ class CcFiles extends BaseCcFiles {
         return is_file($this->getAbsoluteFilePath());
     }
     
+    public function deletePhysicalFile()
+    {
+        unlink($this->getAbsoluteFilePath());
+    }
+    
 } // CcFiles