! When adding/removing users from buddy/ignore lists, throw a message about it being saved (a la #802) but also show it couldn't be done (non specific message, hard to be accurate about why not)

Signed-off-by: Peter Spicer <sleeping@myperch.org>
Merge pull request #1116 from Arantor/release-2.1

! When adding/removing users from buddy/ignore lists, throw a message ab...