Added Video\Flickr and Video\Facebook;

Video\Facebook needs oAuth to be used. Temporarily removed.
Some changes in Video
Added Video::photobucket
Added Yfrog
Some changes in player url in Video::espnbrasil()
Some changes in player url in Video::esporteinterativo()
Some changes in...

Video::flickr(), Video::ig(), Video::myspace() e Video::wordpresstv()