Using site_node::get_package_url to check for mounted curriculum instances, now that it is implemented with an nsv of url keyed by package key. Lars added this back in mars and I hadn't noticed ...
Changes the way comments are treated: now shows comments if they arebeing solicited (you don't need write permissions to see the comments),and it tells you if you need to log in to add a comment.
changes to displaying archived communities and also a warning on the user edit page about portal customizations being lost (grouped together due to message changes)