Allow gifts to patrons after all; #714

Let's stick with the "patron" text but still allow gifts for now. It's a
philosophical decision to disallow gifts to some people, especially as a
default. I'm not ready for that yet.
Merge branch 'master' of github.com:gittip/www.gittip.com
Bump version to 7.2.7
Bump version to 7.2.7-dev