Replace bitbucket urls with git.doit.wisc.edu equivalents
Also moved README-release to RELEASE.md so gitlabs will present README.md at the project page.
Adding @bjsousa and @ahoffmann as additional reviewers.
Also moved README-release to RELEASE.md so gitlabs will present README.md at the project page.
Adding @bjsousa and @ahoffmann as additional reviewers.