Reverse EncFS rdiff backup script: Force removal of old incrementals
Reverse EncFS rdiff backup script: Force removal of old incrementals

--remove-older-than X refuses to do anything if that would include
multiple incremental backups, which isn't what I want in a
non-interactive script. Add --force option to make it work.

DarkStarSword/junk,DarkStarSword/junk,DarkStarSword/junk,DarkStarSword/junk,DarkStarSword/junk