Use only labels in cvmanager.yaml

[fm0l]

Make cvmanager use only labels, since at the moment the CCV uses the label while the definitions of other actions use names. This is confusing for who implements cvmanager and whoever needs to mantain it, and also the name of the CV / CCV could be changed by a Satellite administrator, while the LABEL is permanent. This could prevent blocking unknowingly the automation when changing an object name.

[peppos]

@fm0l your commit fix https://github.com/RedHatSatellite/katello-cvmanager/issues/26 ? if yes +1 for label like https://github.com/RedHatSatellite/katello-cvmanager/issues/23

[fm0l]

@peppos yes basically. This is just a change from name to label, if we want to keep the compatibility we can always think about adding an option too choose between name and label with default set to label