GitLab

Ensure that, if a map file is removed but the associated source
file is not touched, the map file is regenerated by puppet.

These files do not contain sensitive data, so keep the default files
permissions.

sendmail(1) reads parts of it's configuration from the main.cf file.
When the file is not readable, the command invocation will fail with the
following error:

fatal: open /etc/postfix/main.cf: Permission denied

The parameters read from main.cf are documented here:
http://www.postfix.org/sendmail.1.html

It is an optional array of strings containing addtional entries for the
master.cf file

Make sure our version of the lens gets installed

* Fix resource dependencies

Dependencies must be set only if the resources exist in the catalog.
For some weird reason, this worked in Puppet 4 (and shouldn't have).

* Fix AbsolutePath test for Puppet 5

To be able to configure master.cf with chroot