Updated openstack/openstack
Project: openstack/heat  02dfcf949b240b46d12f5b64982433bead454528
null
oslo: add the crypto module

This is to be used instead of the hand rolled heat/common/crypt.py.

Partial-bug: #1251647
Change-Id: I622b9d0c942075f99fdbaff470906123c631504a