[FIXED JENKINS-22575] Optinally keep records for deleted builds up to Plot#numBuilds
[JENKINS-22575] fix NumberFormatException when numBuilds is not constrained
[JENKINS-22575] Prepare for matrix support that does not seem to work ATM
[FIXED JENKINS-24666] No data on the plot when using matrix project
Merge pull request #13 from olivergondza/fix-matrix

[FIXED JENKINS-24666] No data on the plot when using matrix project