MFC r298881, 298882, 298883, 298885:

Minor spelling fixes in:
tools, share, bluetooth, pmcstat, etc

Many of these have user-visible strings.

MFC r256773:
Enable the automatic creation of a certificate (if one does not exists)
and enable the usage by sendmail if sendmail is enabled.

Reviewed by: gshapiro
Approved by: re (gjb)

MFC r256773:
Enable the automatic creation of a certificate (if one does not exists)
and enable the usage by sendmail if sendmail is enabled.

Reviewed by: gshapiro
Approved by: re (gjb)