Replace URLs for workflow documentation to appropriate parts of the
OpenStack Project Infrastructure Manual.
Change-Id: If4c48417f61b400630d1a089583d987b65aced92
Add .getreview file and add files generated via cookiecutter template.
Also delete some originally added files to have project's initial layout
ready.
Change-Id: I494f52469b5a4aff1c1f12d58bcf41140ad3e680