Updated openstack/openstack
Project: openstack/python-cinderclient  15cbd66138ba14d1bedc94a793d9ed22b97a518f

Optional size parameter for volume creation

This patch makes optional the parameter size
for creating a volume from a snapshot or other
volume.
The parameter is still required for other
kind of volume creation.

Change-Id: I75dcf0e647f6e82a2407bcf23ef359f5f87323e8
Closes-Bug: #1304463