Improve unittest coverage of account reaper

Add more unittests for account_reaper in order to
improve code coverage.

Fixes: bug #1210045
Change-Id: I73490f80ac70b814a0abc490dc932f2a86fca703
Man page lintian errors and warnings

Used groff to recreate the errors. I believe all the issues
except `binary-without-manpage` are solved. Would like
confirmation from someone using Lintian.

Closes-Bug: #1210114
Change-Id: I533205c53efdb7cdf3645cc3e3dc487f9ee5640a
Merge "Man page lintian errors and warnings"