SLIDER-424 use correct uri scheme based on configuration
SLIDER-430 usage message if no registry command is provided
All reg commands throw a UsageException; base validate() method declares that it can throw it.
SLIDER-384 add javadocs to AppState.buildAppMasterNode()
SLIDER-425 use long containerID more consistently, and add as constructor arg, and add app id/app attempt ID as default at the same time
SLIDER-384 chaos container killer strips out AM from container list before picking one to kill
Merge branch 'feature/SLIDER-384-container-chaos-monkey-killing-AM' into develop
SLIDER-432 AbstractLauncher to log container launch details @debug level, including env variables
Merge branch 'develop' into feature/SLIDER-149_Support_a_YARN_service_registry

Conflicts:
	slider-core/src/main/java/org/apache/slider/client/SliderClient.java
SLIDER-433. Remove unused extensions
SLIDER-405. Group associated with deployed Slider artifacts can remain root
SLIDER-149 revert an accidentall deletion
Merge branch 'develop' into feature/SLIDER-149_Support_a_YARN_service_registry