[BZ-1022881] avoid to statically create a default RuleBaseConfiguration when not necessary
make legacy drools 5 api to always run with rete + remove no longer implemented KnowledgeAgent
[JBPM-3789] corrected typo in JtaTransactionManager.findTransactionManager
(cherry picked from commit 5169c7a2e27b0cbf742f881d941372daf9fea708)
[DROOLS-130] Test case - FAILURE!!
[DROOLS-131] Test cases
[DROOLS-134] Test case - CHANGED (@annotations are no longer inherited)
Temporal Query  :Test case - FAILURE !!!
[DROOLS-156] Test Case - FAILURE!!!
Accumulate test with multiple sliding windows
[DROOLS-182] Test case
[DROOLS-223] Serializing and Deserializing a PackageDescr causes imports to change to import null
[DROOLS-236] Test case for Rete
[DROOLS-10] Test case
[DROOLS-18] Do not silently ignore errors during accessor creation
[DROOLS-70] Test case - NPE with event accumulate and fireUntilHalt
[DROOLS-87] DefaultJobHandle - Avoid NPE in internal method
[DROOLS-102] Error inserting facts after session restore - Test case
[DROOLS-117] From does not manage @events correctly
[DROOLS-173] Collect and accumulate not working together - test case
[DROOLS-175] Test case