OAuth 2.0 implementation

[Alec Taylor]

On Sat, Jul 7, 2012 at 1:38 AM, Demian Brecht <demianbrecht at gmail.com> wrote:
> Supported provider list (with example code) is now:
> * Facebook
> * Google
> * Foursquare
> * bitly
> * GitHub
> * StackExchange
> * Instagram
>
> Other providers may also be supported out of the box, but have been untested thus far.

Looking good. Keep adding more to the list!

I'd especially be interesting in seeing the 3-phase Twitter and
LinkedIn auths added to the list.

Also I'll be extending it a little more at some point to make it "friendlier" :P

Thanks for merging my last pull-request,

Alec Taylor