Updated openstack/openstack
Project: openstack/nova  7a1b8ff31db82c42c6d163b728d7fd6fbe5ae0cd
null
ec2: Convert instance_get_by_uuid calls to objects

Convert a couple uses of db.instance_get_by_uuid() to use the Instance
object instead.

Change-Id: I6c317c72661643d46ea0577d6efe87a24bf98b74