Changes

* try out [http://groupserver.org/ groupserver] and, if it works, migrate our mailing lists to it

* try out [http://groupserver.org/ groupserver] and, if it works, migrate our mailing lists to it

* try out Question/Answer Plattform [http://shapado.com/ shapado]

* try out Question/Answer Platform [http://shapado.com/ shapado]

* change google analytics to [http://piwik.org/ piwik]

* change Google Analytics to [http://piwik.org/ piwik]

[[Category:TODO]]

[[Category:TODO]]