[Cin] Backup in CinGG

[Phyllis Smith]

OK, I checked this into GIT just now and tested one more time.

I was  concerned about, well plain bad copypasta on my side, or
> system time going back and forth during editing session ...
>
> Good to know.  I did a careful comparison of your new clean_backups with
the clean_indexes and felt comfortable that your copy/paste was good.
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