Update to v1.1 of Twitter's API
Update to v1.1 of Twitter's API
Merge branch 'master' of heroku.com:foauth-stage
Finish upgrading to v1.1 for Twitter
Get the access token URL with a method

This isn't strictly necessary, but it makes it equal to how the request token URL also works
Split out the actual HTTP requests for tokens into their own methods

This sets the stage for providers that do strange things when getting those tokens, even if they otherwise follow the rules with regards to content.
Add Launchpad (fixes #17)