Updated openstack/openstack
Project: openstack/requirements  8d7b705491a4309ab855c4ca0f6835852d822804
null
Unpin kazoo

There doesn't seem to be a reason to pin to a
year old version of kazoo since other projects
would like to use the newer version its safer
just to unpin the version restriction.

Change-Id: I7c5a74e06f604ce89f0de0a4b01a8f7be41d70a2