Updated openstack/openstack
Project: openstack/python-neutronclient  27499fa6a45e78d2bf93a2240b44bb3977c3b447

Workflow documentation is now in infra-manual

Replace URLs for workflow documentation to appropriate parts of the
OpenStack Project Infrastructure Manual.

Change-Id: I48d86e8474ee83f538b21790eb4de46a5b785547