Updated openstack/openstack
Project: openstack/nova  e910b2d9c19c78f023b14c74232de0c30ad33b0d

objects: Fix InstanceGroup.obj_make_compatible()

The obj_make_compatible() method of the InstanceGroup object
incorrectly assumed the format of the version argument was the version
broken down into int() parts.  It comes in as a string and must be
converted.

Change-Id: Id2724c5029202f001e5a2b4371f030b65c72fdfd