fixed sendmail

Sendmail usage lacked a blank line after "To:" field. Which sometimes caused blank emails being sent.
(#22458) Always store the path for launchd service provider

Otherwise the path won't be found next time the provider is asked for it
Merge branch 'pull-1883'

This closes GH-1883
Merge pull request #1917 from mihau/patch-1

Add missing newline in sendmail usage to tagmail
Merge branch 'master' of https://github.com/puppetlabs/puppet