Implements a user ignore list which removes all traces of the users on the list and optionally removes topics created by ignored users and posts which quote ignored users.

Implements a topic ignore list, sending selected topics to an unobtrusive Ignored Topics section at the foot of topic listing pages. Topics may also be ignored on search result pages based on the folder they belong to.

Attempts to tidy up posts, fixing some common spelling and grammar annoyances. Post comments here if you've spotted other common spelling/grammar/typing style annoyance you'd like fixed.