* Regular Board | Gravatar support for valid e-mail address.
* Regular Board | Youtube support for video embedding (regular youtube.com/ links or youtu.be share links).
* Regular Board | If user does not have a valid IPv4/IPv6 IP address, posting priveliges will not be allowed and the board will be in read-only mode.
* Navbar | Fix for category listing

git-svn-id: https://plugins.svn.wordpress.org/my-optional-modules/trunk@811188 b8457f37-d9ea-0310-8a92-e5e31aec5664