fix testcase on jenkins: NPE
nqueens: dataset is to big to show
replicate changeMatchListener
add*ConstraintMatch on all ScoreHolders
better nurse rostering date label
curriculumCourseCompensationActionExperimentScoreRules.drl
introduce CourseConflict
cloudBalancing: blade icon (thanks to fhornain)
cloudBalancing: blade icon (thanks to fhornain): logo's
bugfix visual glitch