Merge pull request #2336 from opscode/lcg/12-systemd-fixes

fix systemd for Ubuntu 14.10
Conflicts:
	CHANGELOG.md
	spec/unit/provider/service/systemd_service_spec.rb
Merge pull request #2389 from opscode/sersut/serv-prov-port

Merge pull request #2336 from opscode/lcg/12-systemd-fixes