ISPN-3979 JdbcStringBasedStore loading of Key2StringMapper class is too
restrictive

* Key2StringMapper class is now loaded using ClassLoader from
* GlobalConfiguration
ISPN-4649 RemoveCommand does not activate the key in Passivation

* No tests added since ISPN-4559 tests cover this scenario
ISPN-4559 Replace fails with cache loader

* Tests all the conditional commands
ISPN-4657 Allow for customization of SearchWorkCreator used by the QueryInterceptor
Replace sfl4j-jdk14 dependency with sfl4j-log4j12 so that jboss logging
writes to log4j in the cdi module (and dependents).

Add more debugging around cache listeners. It seems Class.getMethods()
sometimes returns synthetic methods created by overriding a generic method.