Fixed NPE, caused by newer jenkins versions
Merge pull request #9 from ninian/master

JENKINS-16855: Add claim build action configuration slicer
Merge pull request #8 from ThStock/master

Fixed NPE, caused by newer jenkins versions
Merge pull request #10 from ninian/master

FIXED JENKINS-16869: Exception when clicking on timestamper link
[maven-release-plugin] prepare release configurationslicing-1.39
[maven-release-plugin] prepare for next development iteration
JENKINS-18455: Exclude items other than top level projects from slicing