refactor(systemd): s/defaultSystemdRuntimePath/systemdRuntimePath/
refactor(systemd): Use getLocalPath where possible
refactor(systemd): Drop silly comment
refactor(systemd): Pass dbus error out of NewSystemdManager
refactor(systemd): stage units in fleet-specific directory
Merge pull request #386 from bcwaldon/group-units

Track fleet-controlled units in fleet-owned directory