Use --os-identity-api-version 3 explicitly in osc
Use --os-identity-api-version 3 explicitly in osc

Continuing with I861d7d0bf09db7b92613229903edd4cb4f66ba96,
pass --os-identity-api-version 3 explicitly as implicitly
it's not working.

Change-Id: Ib11576b5a04cdf53034c5056b942104d02d245d5

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration