In this patch we add the following openstack share commands:
share service list
share sevice set
manila service-enable command is implemented as:
openstack share service set <hostname> <binary> --enable
manila service-disable command is implemented as:
openstack share service set <hostname> <binary> --disable
Partially-implements: bp openstack-client-support
Change-Id: I41852e93fce356549ca0600b02d972742a105a38