[openstreetmap-website] add details in description meta tag; and add og:description and twitter:description (#1066)

[Frederik Ramm]

Does that mean we can kick out the tags "contact:facebook", "facebook", "contact:google_plus", "contact_twitter", "twitter", etc.?

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/issues/1066#issuecomment-145675989
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/rails-dev/attachments/20151005/47a65ce4/attachment.html>