Updated openstack/openstack
Project: openstack/heat  1dfb9c880e621c29e46e1db458702f9d61a7b52c

Adding validation algorithm for get attr functions

Turn on validation for functions Fn::GetAtt and get_attr.
Validation will be skipped if resource has overwritten FnGetAtt method.

Related-Bug: #1273490
Change-Id: I15b6b7447face0cf2fe1d6059d3fb900778b66cc