Updated openstack/openstack
Project: openstack/heat  c14840c2810e0ae64dc06624f4b434a7b6ed858e

Retry Rackspace LB nodes operations if immutable

During certain operations, Rackspace::Cloud::LoadBalancer may reach
immutable states.  If an operation happens at such times, the entire
stack update will fail.  This patch adds retry logic to wait until LB
leaves the immutable state before proceeding.

Closes-Bug: #1401333
Change-Id: I46692f29b57a8c5db9a2dfab11ac5dc9ad631d45