Update redhat change host name capability to support systemd
Update redhat change host name capability to support systemd

Update capability to use guest inspection module for determining
correct actions to execute. When systemd is in use restart the
correct active service, either NetworkManager or networkd. Default
to using the original service restart when systemd service is not
found.

mitchellh/vagrant,bryson/vagrant,mitchellh/vagrant,bryson/vagrant,sni/vagrant,gitebra/vagrant,bryson/vagrant,sni/vagrant,marxarelli/vagrant,marxarelli/vagrant,chrisroberts/vagrant,sni/vagrant,sni/vagrant,gitebra/vagrant,chrisroberts/vagrant,gitebra/vagrant,mitchellh/vagrant,chrisroberts/vagrant,mitchellh/vagrant,chrisroberts/vagrant,marxarelli/vagrant,bryson/vagrant,marxarelli/vagrant,gitebra/vagrant