BZ-1039031 - Quartz fails to persist a job detail, data truncation error occurs

(cherry picked from commit aa46474b47e5338d307a62960d455abc979ed930)
BZ-1036761 - It is not possible to restore a ksession on Oracle11gR2 due to RuntimeException: Unable to begin transaction

(cherry picked from commit f67a81b8cf8b7e29c6f3ef39fd5d10498496cbfe)
BZ-1036909 - session-migration: CCE when a process contains a Catching
Intermediate Conditional Event
Rename version from 6.0.0-SNAPSHOT to 6.0.1-SNAPSHOT in preparation for the 6.0.1 release
unification of persistence and transaction handling for jbpm and human task
added human task jpa module to jbpm distribution

(cherry picked from commit a79a22c528b02dcf929f43e9d43c87849bb236d3)
fixed assembly typo for new module

(cherry picked from commit e7756d561adca4918ec5f9295ff7788be85a9e2f)
added default producer for usergroupcallback and userinfo

(cherry picked from commit 157d479f4c29f6197a6b7b583498bb2854c352e5)
disabled jbpm human task jpa module to avoid new module being added in late stage of the 6.0, will be anabled post 6.0
BZ-1040034 - Process performace fixes of Java API improved only Singleton session strategy
BZ-1044362 - NPE on task operation when there's no task with given ID