Added numerous oembed providers.

Added the following Oembed providers 23hq, Bambuser, cacoo, Chirb.it, Clikthrough, Collegehumor, Dailymile, Deviantart, Dipity, Funnyordie, Gist (Github Snippets), Gmep, Huffduffer, Ifixit, Imgur, Instagram, Mixcloud, Mobypicture, Official.fm, Photobucket, Polldaddy, Qik, rd.io, Shoudio,
Sketchfab, Skitch, Slideshare, Smugmug, Ted, Urtak, Vhx and Yfrog.

Some of these still need testing and I will be uploading a tester shortly.