Add detection and config override for http/https in openid referrer. fixes #1450
Install docs - add "set up config.php" step, and mention that MW normally writes AdminSettings for you. refs #1450
check for awstats_buildstaticpages.pl in alt location (debian squeeze compatibility)
avoid failing on mwdisext
use defaults instead of sending an empty response when /etc/wikifarm/config.php does not exist
update changelog for debian/0.11