Add checkout attempts for stability and fix minor issues#50

SOVALINUX wants to merge 3 commits intoashwanthkumar:masterashwanthkumar/gocd-build-github-pull-requests:masterfrom

SOVALINUX:feature/checkout_attemptsSOVALINUX/gocd-build-github-pull-requests:feature/checkout_attemptsCopy head branch name to clipboard