Updated openstack/openstack
Project: openstack-dev/devstack  d304125a76d711271890da6c063a215aa86529a7

Generate an IPv6 address when PUBLIC_BRIDGE does not have one

Closes-Bug: #1400823
Change-Id: Ic79fd003aea2af7b258397ec2cdfd70c8568743c
Updated openstack/openstack
Project: openstack-dev/devstack  2e4ba6ff574c93b00d80650dfadb9d4f664450c2

XenAPI: Simplify installed packages

Remove duplicate packages.
pip is handled by devstack, so don't try and install it here.

Change-Id: I6f22e0f86ae071d30bf69de9ed5dec6b28ebc92b