Keep connections alive by reusing the same curl handle

Translation of strings in XSLT

Show a poster image next to video's name

plugin: scrolling does not work on video description pages

SVTPlay: add search

metacafe: fails to find video URL for videos with ID sy-*, cb-*
(others?). The videos are probably hosted on some other sites (like
yt-* -> youtube).

Download percentage on the VDR plugin status page does is not updated
when using external downloader process (YLE Areena)

Streaming does not work with external downloader process (YLE Areena)

Fix support for mplayer plugin
