[maven-release-plugin] prepare release cool-0.6.20
[maven-release-plugin] prepare for next development iteration
[case 9923] Corrected order of execution and renamed demote to reject
[case 9923] Added method to change the promotion level locally
Merge branch 'master' of github.com:Praqma/cool
[case 9923] Removed exception and rearranged order of execution