Resync the recheck regex with upstream.

Also disable start messages per request from openstack infra.
Merge pull request #4 from rasselin/fixRecheckNoStartMsgs

Resync the recheck regex with upstream.
Add silent & patch pipeline & failure message link
Move nodepool to this private repo

The nodepool.yaml.sample file is to be copied by the user and modified.
The script will manually copy this to the main repo where the template
will be filled in.

Also update the vars.sh to be a sample file & use the .gitignore
to facilitate keeping private files shared publicly.
Merge branch 'master' of https://github.com/rasselin/os-ext-testing-data into remotes/github/master

Conflicts:
	etc/zuul/layout.yaml