Use #jenkins_url to for #open method
Reorganize the wizard interview

[#45883331]
Revert "Make bootstrap and chef tasks more informative."

This reverts commit f307c405698b69b7d33429c629e4f65393ebd51f.
Revert "Bootstrap and chef tasks are less chatty"

This reverts commit 82530218c89557db38237bf29935c5b0d9e80dd3.
Protect the ssh test key in case umask does something funky