Add urllib3

Glanceclient is using the internal requests.packages.urllib3,
which may lead to all sorts of surprises and errors, as the
urllib3 package is "unvendorized" (ie: removed) from the
requests package in both Debian and Ubuntu. As a consequence,
we want to add urllib3 directly as a package, so we can
replace the "import requests.packages.urllib3" statements by
directly "import urllib3".

Note that version 1.7.1 of urllib3 is available in both Trusty
and Wheezy backports already, so it shouldn't be an issue for
any Debian based installation. Though I don't know for RedHat
or Gentoo based system.

Change-Id: I493fab8667e35bba0835255e347dfdbb27881847
Add proliantutils dependency for Ironic

This module is required in Ironic project for proliant hardware
due to https://review.openstack.org/#/c/89500/.

Change-Id: I7395e6e4ade76e88f1ab054a5edf2544683b5275
Add os-client-config

Starting with python-openstackclient we're intending to add this to the
client libraries. Add it here so that this is possible.

Change-Id: I801eb38114eb2fe5c773094fae6b8e20c99dfec5
Gate python-keystoneclient-federation on global reqs

Change-Id: I2aff9c508a0dfd7f8bae677a754b1253ecccad39
Merge "Gate python-keystoneclient-federation on global reqs"
Merge "Add os-client-config"
Merge "Add proliantutils dependency for Ironic"
Merge "Add urllib3"