SLIDER-94 callable<V> notification service
SLIDER-94 : move to Callable based event notification; drop event notifying service
SLIDER-94 (testing related) duration adds more details on its arguments
SLIDER-94 testing related -constants in accumulo tests weren't being set up properly, but groovy was hiding this
SLIDER-94: some work on service launcher
Merge branch 'feature/SLIDER-94_Get_YARN_utility_features_into_yarn-common' into develop