[maven-release-plugin] prepare for next development iteration
Fixed NullPointerException detailed on https://gist.github.com/2e2f7be6aad8f31f7b9d
Added even more NPE checks
Upgraded Groundy library to 0.7
Fixed NPE
Prepared next release
[maven-release-plugin] prepare release github-jobs-1.4
Merge tag 'github-jobs-1.4'

[maven-release-plugin]  copy for tag github-jobs-1.4