Updated openstack/openstack
Project: openstack/heat  5978051833c2335ba0ec588e0158bf7ef6157761
null
Implement adopt-stack for nested stacks

Create a nested stack using user specified, already existing
external resources.

Change-Id: I3f4473dd6fbadff4267ec06db04422f9dd12b8c1
Implements: blueprint adopt-stack