SLIDER-302 queue and actions, tests not quite working
SLIDER-302: propagation working with correct ordering
SLIDER-302 role launch moves to async model
SLIDER-302 providers switch to using queued action, methods and interfaces changed appropriately
SLIDER-303 Enhance get-hbase-site.sh to obtain information about gateways
SLIDER-302 Add a provider startup event...need to think through how best to use this
SLIDER-302 reorder constructors for IDE subclassing ease
Merge branch 'feature/SLIDER-302_scheduled_executor' into develop
Merge branch 'develop' of https://git-wip-us.apache.org/repos/asf/incubator-slider into develop
SLIDER-288 Add role for HBase thrift2 gateway
Merge branch 'develop' of https://git-wip-us.apache.org/repos/asf/incubator-slider into develop
SLIDER-240 Add log after verification passes
SLIDER-302 rm StartContainerAction
SLIDER-302 add a renewing action which executes then rechedules a nested action
Merge branch 'develop' into feature/SLIDER-149_Support_a_YARN_service_registry

Conflicts:
	slider-core/src/main/java/org/apache/slider/providers/AbstractProviderService.java
	slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java