Linking Untappd returns user to wrong page

[kenneththomasbrown]

Expect result:
User is returned to Suggest a Keg page after linking Untappd account on Suggest a Keg page

Actual result:
User is returned to index page after linking Untappd account on Suggest a Keg page

Reproduction steps:

1. Login to an account not linked to Untappd
2. Click Suggest a Keg
3. Follow suggestion to link to Untappd
4. Authenticate with Untappd

[JustDerb]

Untappd's API is very interesting that it needs to redirect to a specific page (and not any page you give it under a domain - like Facebook's API). One way to handle this is to set a cookie and read from it (to know the final redirect) when the user connects to Untappd.