Updated openstack/openstack
Project: openstack/oslo-incubator  ad3c887fbfc81ac3502a3e49c1ed6c2824029c25

Implement stop method in ProcessLauncher

This implements a stop call in ProcessLauncher which will stop respawn
loops and terminate children.

Change-Id: I13d03b2007f1b53387945b74f70f676734ad8167
Closes-Bug: #1311306