Added support for iPlayer Radio site URLs

URLs in the form: http://www.bbc.co.uk/programmes/b039kv61
may now be used with Get Current Webpage

git-svn-id: https://get-iplayer-automator.googlecode.com/svn/trunk@671 98b4c264-8670-11de-a133-9d545b4d7674
Added support for ITV Player free taster episodes

git-svn-id: https://get-iplayer-automator.googlecode.com/svn/trunk@672 98b4c264-8670-11de-a133-9d545b4d7674