Release 1.7.2
* crond: Revert setting the return path to <>. It is not RFC compliant.
* crond: Inherit MAILFROM from the crond process environment.

Release 1.7.1
* crond: Wait on finishing the job with -n option to check
  the exit status
* crond: Do not set the return path to <> if non-default MAILFROM is set
* /etc/sysconfig/crond and /etc/default/anacron files are optional

Release 1.7.0
* anacron: Add support for NO_MAIL_OUTPUT environment variable
* anacron: Support enabling anacron jobs on battery power
* crond: Support -n crontab entry option to disable mailing the output
* crontab: Make a backup of the crontab file on edition and deletion