One should have an ability to set up max_nested_stack_depth option

Customer requires from us to set up max_nested_stack_depth in
heat.conf.

This option is not enabled and has value of 5 by default.
We need to enable this option in templates so customer would be
able to set it to a desired value.

Customer-Found
PROD-15878
Change-Id: I9fba7f44a595a33b78ea31e21f90eeb2f62c7fb0
9 files changed