[FIXED JENKINS-17576] [FIXED JENKINS-16870] support conditional buildstep plugin
Merge pull request #29 from imod/support-conditional-buildstep

[FIXED JENKINS-17576] [FIXED JENKINS-16870] support conditional buildstep plugin
[maven-release-plugin] prepare release jenkins-multijob-plugin-1.10
[maven-release-plugin] prepare for next development iteration