JBPM-3972: org.jbpm.process.workitem.wsht (in -human-task-{core,hornetq,jms,mina}) fix
JBPM-3972: org.jbpm.task.* test classes (in -human-task-{core,hornetq,mina}) fix
JBPM-3972: org.jbpm.task.* classes (in -human-task-core and jbpm-human-task-services) fix
JBPM-3972: org.jbpm.task.* classes (in -human-task-workitems and -human-task-services) fix
JBPM-3972: org.jbpm.* test classes (in -flow, -flow-builder and -test) fix