The user name and password are mentioned in the dialog box ...wiki nospam get it? They were added because the wiki was being overrun by spam bots. Now you can also get an offline backup-copy
here. There have been very few changes (map list mainly) since the backup of July 14 2008.
BTW Bots-united is having
some problems with the
filebase for downloading the executables. Until its fixed you can find most of the the files elsewhere. (the newer map packs are already in
my filefront account). I'll post the keywordfix beta patch on my filefront account JIC you are looking for it.