WFLY-3227 & WFLY-3540 Infinispan batching changes

WFLY-3227 Replace batching="true|false" with in infinispan subsystem schema/model
https://issues.jboss.org/browse/WFLY-3227
WFLY-3540 Allow users to use web session clustering w/out batching
https://issues.jboss.org/browse/WFLY-3540

Requires custom operation transformer to handle cross-resource transformation.
Both branches here set TransactionMode.TRANSACTIONAL.