CTVNews - fix full episode playback
The Daily Show - Fix for empty duration parameter
Merge pull request #630 from mikedm139/ctvnews

CTVNews - fix full episode playback
Apple Movie Trailers - Remove control chars fro summary
xHamster - srv/file are not always the same
Kontraband - Remove URL Service
YouTube / Fallback - Accept YouTube URLs without a protocol (used for iframe src attribute sometimes).
Lifetime - Remove URL Servie
NDTV - Catch more unavailable videos.
YouTube - Update sig83
CNN - Catch expired media in PlayVideo.
NBC - Raise exception for expired media
Logo TV - Check for media elements and if none are found raise an exception (= media is no longer available)
Videobash - Catch 404s/unavailable videos
CNN - Catch unavailable media and raise an exception
YouTube - Update sig85
YouTube - Update sig86
extreme - Make URLPatterns regex more specific
TVLand - Check if we have a show title, make originally_available_at optional.
extreme - Check for external YouTube/Vimeo urls