[openstreetmap-website] Facebook emails are verified (#1096)

[Ilya Zverev]

E-mail addresses aquired bia Facebook Graph API (that is, OAuth) are always verified. If not, they are not returned at all. See [this stackoverflow explanation](http://stackoverflow.com/questions/14280535/is-it-possible-to-check-if-an-email-is-confirmed-on-facebook).

This PR enables confirm-less registration workflow for users registering via Facebook.
You can view, comment on, or merge this pull request online at:

  https://github.com/openstreetmap/openstreetmap-website/pull/1096

-- Commit Summary --

  * Facebook emails are verified

-- File Changes --

    M app/controllers/user_controller.rb (2)

-- Patch Links --

https://github.com/openstreetmap/openstreetmap-website/pull/1096.patch
https://github.com/openstreetmap/openstreetmap-website/pull/1096.diff

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/pull/1096
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