SLIDER-493 configurable hadoop directories for accumulo app package
SLIDER-474 attempt fix for accumulo funtests
Merge branch 'develop' into feature/SLIDER-149_Support_a_YARN_service_registry
SLIDER-149: switch to the branch-2.6 version
SLIDER-408 slider getconf command should be removed (yu liu)
Merge branch 'develop' into feature/SLIDER-149_Support_a_YARN_service_registry (patch SLIDER-408)

Conflicts:
	slider-core/src/main/java/org/apache/slider/client/SliderClient.java
	slider-core/src/main/java/org/apache/slider/common/params/ClientArgs.java
SLIDER-249 test doesn't compile without "YARN-2571 RM to support YARN registry" extension of YARN-913; rm'd an assertion