The current cookbook mixed "openstack-client" with "openstack_client" of
cookbook name in this project.
So this patch standardize cookbook name to openstack_client
Change-Id: I9f2a628fb141cbc2ebcbe3fa075fb1a413be8d1e
Closes-Bug: #1448099
Thanks PaulCzar for making this happen, lets make this the best it can
be for people to both consume and operate openstack and chef.
Change-Id: Ied46d05b0a656c813e758fa8e7d7ba6570a5d8fc