Add CompoundService with a public addService() operation; declared that in an interface Parent shared with SequenceService
HoyaClient adds better diags when waitForInstanceCount fails
EventNotifyingService logs @ debug level
ClusterNode.toString() only prints the node command if there is one
Parent interface
test for the sequence service varargs constructor
add an option to specify the startup delay from the master process starting to the AM triggering startup of its children
HBase AM working with new event callback mechanism, forking notifier off in parallel with forked process