diaspora* security release 0.5.5.1

We just released diaspora* version 0.5.5.1 which fixes a XSS issue on user profile pages and updates nokogiri to address a number of CVEs in libxml2, see http://www.ubuntu.com/usn/usn-2834-1/.

Updating

Please update as soon as possible. Update instructions are available as usual in the wiki.