This patchset
1. adds description field to openstack port create and
openstack port set.
2. updates method _add_updatable_args with 4 spaces instead
of existing 8 spaces
Partially Implements: blueprint neutron-client-descriptions
Partially Implements: blueprint network-commands-options
Change-Id: I4598e555722b1de7bc47f3a9be0fd81eacfcb572