Fixes for ITV, Channel 4, Ustream

ITV remove code to create ttml file, no long needed.
Channel 4, Use search for mp4 stream, +-5 doesn't work for some programme, kept but matching amended different devices titlles don't always match. Allow for redirection of first page, json may return ARRAY form multiple episodes or scalar.
Ustream handle redirection in download file.
debian control match used by debian and include newer extras such as libmodule-find-perl.
googlevideosearch update with debian fix for URL redirects.