BZ-1175296 - Spring: JPAAuditLogService doesn't use SharedEntityManagerBean

(cherry picked from commit 21523cd346ed3fd08b58961d27cc150016e9d940)
JBPM-4528 BoundaryEventHandler.writeNode() doesn't write variableName

(cherry picked from commit 9afc149215bb72f60d461715e845276246a5cdf1)
JBPM-4530 BoundaryErrorEvent StructureRef is not resolved for exception handler
- Test case

(cherry picked from commit eaf4f5b6fd36a7eaec864ba10b56550134b43821)
JBPM-4530 BoundaryErrorEvent StructureRef is not resolved for exception handler

(cherry picked from commit 34a28a3c84504e21efbccb748612a13715006cee)
BZ-1169553 - (CVE-2014-8125) EMBARGOED CVE-2014-8125 jBPM: BPMN2 file processing XXE in Process Execution

(cherry picked from commit 713e8073ecf45623cfc5c918c5cbf700203f46e5)