4oD: Added more generic error message for unavailable content.

git-svn-id: https://get-iplayer-automator.googlecode.com/svn/trunk@519 98b4c264-8670-11de-a133-9d545b4d7674
4oD: Updated SWF player URL

git-svn-id: https://get-iplayer-automator.googlecode.com/svn/trunk@520 98b4c264-8670-11de-a133-9d545b4d7674