Updated version to 1.6.1

git-svn-id: https://get-iplayer-automator.googlecode.com/svn/trunk@641 98b4c264-8670-11de-a133-9d545b4d7674
Wrap Growl notifications with try/catch

git-svn-id: https://get-iplayer-automator.googlecode.com/svn/trunk@642 98b4c264-8670-11de-a133-9d545b4d7674
Replaced rtmpdump (was broken on OSX 10.7)

git-svn-id: https://get-iplayer-automator.googlecode.com/svn/trunk@643 98b4c264-8670-11de-a133-9d545b4d7674