add Newebe to the list of projects in the README

README.textile

 * "RFC6238":http://tools.ietf.org/html/rfc6238 two-factor authentication compatible with "Google Authenticator":http://en.wikipedia.org/wiki/Google_Authenticator and various hardware tokens
 * Nightly backups to "Tarsnap":https://www.tarsnap.com/.
 * Git hosting via "cgit":http://git.zx2c4.com/cgit/about/ and "gitolite":https://github.com/sitaramc/gitolite.
+* "Newebe":http://newebe.org, a social network.
 * A bunch of nice-to-have tools like "mosh":http://mosh.mit.edu and "htop":http://htop.sourceforge.net that make life with a server a little easier.
 
 No setup is perfect, but the general idea is to provide a bunch of useful services while being reasonably secure and low-maintenance. Set it up, SSH in every couple weeks, but mostly forget about it.