add MIT license for google_auth_proxy
Update README with new Google Developers workflow

The Google Developers Console has a new interface and workflow. Updated the **OAuth Configuration** section with the correct steps, including a few notes on potential missteps.
Merge pull request #19 from justindowning/patch-1

Update README with new Google Developers workflow
Merge pull request #18 from ploxiln/add_license_18

proposed LICENSE for google_auth_proxy
Fixed wrong error message
Merge pull request #21 from dbrgn/errmsg_typo

Fixed wrong error message
Make it looks a little better in mobile browsers
Merge pull request #23 from zhangcheng/master

Make it looks a little better in mobile browsers
update to new scopes
bump to 0.1.0
Merge pull request #25 from jehiah/google_oauth_migration_25

/v2/userinfo going away, switch to new scopes and id token payload