Fixed double sending of headers problem with S3 cache

airtime_mvc/application/common/FileIO.php

@@ -63,9 +63,6 @@ class Application_Common_FileIO
             }
         }
 
-        //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/services/MediaService.php

@@ -93,6 +93,7 @@ class Application_Service_MediaService
                     $size= $media->getFileSize();
                     $mimeType = $media->getPropelOrm()->getDbMime();
                     Application_Common_FileIO::smartReadFile($filePath, $size, $mimeType);
+                    break; //Break out of the loop if we successfully read the file!
                 } catch (FileNotFoundException $e) {
                     //If we have no alternate filepaths left, then let the exception bubble up.
                     if (sizeof($filePaths) == 0) {