unification of persistence and transaction handling for jbpm and human task
added human task jpa module to jbpm distribution
fixed assembly typo for new module
added default producer for usergroupcallback and userinfo
BZ-1039031 - Quartz fails to persist a job detail, data truncation error occurs
BZ-1036761 - It is not possible to restore a ksession on Oracle11gR2 due to RuntimeException: Unable to begin transaction
BZ-1036909 - session-migration: CCE when a process contains a Catching
Intermediate Conditional Event
BZ-1042867 - Some drools-osgi modules fail to install into Fuse
BZ-1040034 - Process performace fixes of Java API improved only Singleton session strategy

(cherry picked from commit 7b030523698ebdd92591307efc77af65947ecf51)
BZ-1044362 - NPE on task operation when there's no task with given ID