Make authorize_uri public
Merge pull request #8 from niftyn8/authorize-uri

Make authorize_uri public
use latest openid connect
force push (questionable)
If we don't we'll run into a route conflict with
the redirect url, though, I believe
fix google specific problems directly or by making them configurable
make callback request method configurable
fixed option calls
dropped callback_request_method option
added example configuration for google
support for state
bump version