pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page: instead of giving a full uri, a page is now given when we want to redirect to something else that current page on data post. This make the redirection more simple and intuive A tuple can be used to specify arguments to put in URL.

User-agent: *
Allow: /blog/
Allow: /u/
Disallow: /

User-agent: Mediapartners-*
Disallow: /