Updated openstack/openstack
Project: openstack-dev/pbr  4a69c118642f30a1f5af655add22424cc984d301
null
Remove pip version specifier

We don't actually require pip 1.4, and saying that we do
breaks package installation in a lot of cases. Remove the
version specifier from our requirements list.

Fixes-bug: #1296310
Change-Id: I69c67c4c8cba7076e33292eaab9070ba51b4dff3