GlobalTV - add swf_url
CharlieRose - Add description back, add fallback thumb.
History_Canada - add swf_url
TouTV - revert to RTMP only since EHLS is locked down too tight
CharlieRose - Use different HTML node to look up the video description.
CharlieRose - Add originally_available_at
Merge pull request #566 from mikedm139/tou

TouTV - revert to RTMP only since EHLS is locked down too tight
TouTV - get out of the way and let clients handle EHLS urls themselves
CTVNews - support local affiliate domains
CTVNews - remove old commented code
Merge pull request #568 from mikedm139/ctvnews

CTVNews - update to handle local news from plugin
Merge pull request #564 from mikedm139/global

GlobalTV - add swf_url
Merge pull request #565 from mikedm139/history

History_Canada - add swf_url
Merge pull request #567 from mikedm139/tou

TouTV - get out of the way and let clients handle EHLS urls themselves
ABC Family - Remove URL Service
ABC - Changes to include ABC Family
Justin TV - Catch 404s
Yahoo - Catch and/or workaround possible errors.
ABC - Accept older/other style URLs as well, but lookup the required 'real' URL.
ABC - Combine URLPattern regexes