Add openstacksdk to the dependency list
Add openstacksdk to the dependency list

The package is not absolutely needed at the moment, but we will migrate
to it soon.

stackforge/python-senlinclient,stackforge/python-senlinclient,tengqm/python-senlinclient,tengqm/python-senlinclient,openstack/python-senlinclient,openstack/python-senlinclient