Fixed broken support for Ondertitel subtitle provider #2

Fixed an error that was thrown when sending cookies with the download
request. Removed the cookies send with download request.
Minor change to download link pattern to only return the last part of
the url when matched.
Succesfully tested on Openelec 3.2.3, XBMC on Linux and Windows
Merge pull request #206 from roh85/frodo

Fixed broken support for Ondertitel subtitle provider #2