Updated openstack/openstack
Project: openstack/python-heatclient  a9f321e2d23d32047c1822d939e6d58a74dd2be7
null
Expand get_file using to template scope

So we can use get_file in outputs section and parameters section
except resources section. For example, we can use get_file to set
default value for some parameters.

Closes-Bug: #1284493
Change-Id: If584ea108b437c28713925af68691c019e64e1fc