tree a963b5351562fbb9b9b88098886e667e384ea8f6
parent 4ff5e2bf7367cf16b212286e48033246d124febc
author Jerry Zhao <xyzjerry@gmail.com> 1434765433 -0700
committer Jerry Zhao <xyzjerry@gmail.com> 1434765688 -0700

use pip_install_gr for ceilometermiddleware

Since this patch https://review.openstack.org/#/c/171685 has been
merged in global requirements, better to switch to pip_install_gr.

Change-Id: Ibe708d4f523c32ade3c6a273f80b9c38bb03e382