* scripts/mir-setup/conf: updated to use tomcat5.5

 * tomcat4 versions of config files are in scripts/mir-setup/conf/tomcat4
 * other changes to site-httpd.conf:
   + use log format 'anon' (defined in /etc/apache2/conf.d/mir-anon-access-log,
     which is created by mir-prepare)
   + Include /etc/apache2/mir-sites/ssl-dedicated/$SITE.conf
   + add $MIRRORFQDN as a ServerAlias
 * site-ssl-dedicated-httpd.conf: add $MIRRORFQDN and $ALIAS as ServerAliases