[FIXED JENKINS-19574] Restore backward compatibility in prebuild cleanup
[maven-release-plugin] prepare release ws-cleanup-0.18
[maven-release-plugin] prepare for next development iteration
Use list instead of string for ProcessBuilder
Merge pull request #13 from jacobgardner/master

Use list instead of string for ProcessBuilder For External Deletion Tools
[maven-release-plugin] prepare release ws-cleanup-0.19
[maven-release-plugin] prepare for next development iteration