Updated openstack/openstack
Project: openstack/heat  caf6a1b06058c4b2e966b4415a46abb0e989afed

Separate StackWatch out into it's own module

In the interest in small modules that have a matching unit test file.

Part of blueprint decouple-nested
Change-Id: Ia40310007113b1111883a20db99cb7f754ae43bf