Adds a pre-upgrade check that service is running (step0)

Adds a pre-upgrade check that service is running (step0)

Adds a step0 for most services to check that the state is running
before continuing with any of the other upgrades steps (these are
tagged step0).

You can skip this service check by overriding the
SkipUpgradeConfigTags parameter as follows:

parameter_defaults:
  SkipUpgradeConfigTags: validation

Co-Authored-By: Steven Hardy <shardy@redhat.com>
Change-Id: Ie276f153015f671b720b6ed5beaac1b921661909