Updated openstack/openstack
Project: openstack/pylockfile  028164a0a477584bc2247dc2ff214f3236cdf1d6

Add pbr to dependency list

Currently pbr is breaking markup safe usage in docs, the
not so obvious way to fix this is to place pbr in the
explicit requirements for pylockfile.

Closes-Bug: #1384919

Change-Id: I0bba2f28956aeeb70b1e15f82d6bb67fdbd49118