Setting mode-line clock total to 'today

I keep thinking I've checked this in and keep finding out I have not!.
Adding splitting rule for 2u junk mail.

Also removing unneeded other split rule.
More abbrevs for spelling errors.
No need for fancy switch-to-gnus function.

Back when I wrote it I needed it but now (gnus) itself does everything
needed: 1) open gnus if not running 2) refresh gnus if already running.
Refining the clocking gaps.

Trying to keep it from telling me about clocking gaps in areas where
they might occur normally (commutes, lunch).