Three small bugfixes

* Remove files from the database even if they couldn't be removed from disk. (log a warning)
* Return a better error message if the user attempts to delete a scheduled file
* Attempt to squash headers already sent warning during buffer flushing
  in FileIO.php

airtime_mvc/application/common/FileIO.php

@@ -61,6 +61,9 @@ class Application_Common_FileIO
         }
         header("Content-Transfer-Encoding: binary");
 
+        //Squashes headers() warning on PHP 5.3/ubuntu 12.04:
+        flush();
+
         //We can have multiple levels of output buffering. Need to
         //keep looping until all have been disabled!!!
         //http://www.php.net/manual/en/function.ob-end-flush.php

airtime_mvc/application/controllers/LibraryController.php

@@ -356,6 +356,8 @@ class LibraryController extends Zend_Controller_Action
                     $res = $file->delete();
                 } catch (FileNoPermissionException $e) {
                     $message = $noPermissionMsg;
+                } catch (DeleteScheduledFileException $e) {
+                    $message = _("Could not delete file because it is scheduled in the future.");
                 } catch (Exception $e) {
                     //could throw a scheduled in future exception.
                     $message = _("Could not delete file(s).");

airtime_mvc/application/models/StoredFile.php

@@ -400,7 +400,14 @@ SQL;
         //Delete the physical file from either the local stor directory
         //or from the cloud
         if ($this->_file->getDbImportStatus() == CcFiles::IMPORT_STATUS_SUCCESS) {
-            $this->_file->deletePhysicalFile();
+            try {
+                $this->_file->deletePhysicalFile();
+            }
+            catch (Exception $e)
+            {
+                //Just log the exception and continue.
+                Logging::error($e);
+            }
         }
 
         //Update the user's disk usage