HSEARCH-882 Cleanup some existing clustered tests
HSEARCH-882 Define an Infinispan IndexManager using custom RPC commands for backend operations
HSEARCH-882 Enable configuration alias to pick the new Infinispan based IndexManager
HSEARCH-882 Introduce a base clustered test
BaseLiveClusterTest improvements
WIP
Change initialization order in DirectoryBasedIndexManager
Adapting LifecycleManager to Infinispan 5.2 needs
Convert to Cache-local scoped components
Require batching
Change batching into pessimistic locking transactions
RoutingArbiter.java uses a replace defensive for null