Deal gracefully with zombie users
Deal gracefully with zombie users

Will will occasionally come across resources owned by users who have
been deleted.  The roster code doesn't handle that well.

mike-love/will,skoczen/will,woohgit/will,chillipeper/will,woohgit/will,wontonst/will,wontonst/will,chillipeper/will,mike-love/will,skoczen/will,skoczen/will,mike-love/will,chillipeper/will,wontonst/will,woohgit/will