Updated openstack/openstack
Project: openstack/heat  6da179356b6d84c4e42fd7fc61e0d554604f8856

Show the creation time for stack snapshots

Creation time for snapshots is an important attribute,
we should return the creation time when doing stack
snapshot actions.

Change-Id: Ieaedaf79bf073737ec41fba2d0252d3f4ddc0fcf
Closes-Bug: #1398307