Moved from pebble to serendipity / apache to lighttpd / courier to postfix + cyrus

I moved from pebble to serendipity (or s9y as they call it). Mainly, because pebble was the only JAVA process here and that sucked up quite a lot of resources on a host with 32 virtual machines. I imported the old posts and added redirects for all the old urls. Although s9y is written in …