Workflow documentation is now in infra-manual
Workflow documentation is now in infra-manual

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

Change-Id: I5ef5385a31f92ab0831e780c96b06da503106f9e

openstack/sahara-scenario,esikachev/sahara-tests,openstack/sahara-tests,openstack/sahara-tests,esikachev/sahara-tests,esikachev/sahara-tests,openstack/sahara-tests,openstack/sahara-scenario,openstack/sahara-tests,openstack/sahara-scenario