- PR 210: JBPM-4379 administrator by status filter
BZ-1144988 - Error when sorting proc. definitions by version when version not specified for some process
DynamicClientFactory is now retrieved through FactoryMethod. Makes it easier to extend the WIH and provide different implementations of the DynamicClientFactory.
jbpm-workitems: REST WorkItemHandler upgraded to use apache httpclient 4.x because of ip-bom upgrade

(cherry picked from commit c39602a5fe16e6e37920ea4e7e0e61daf13615ef)
removed version that is already defined in ip-bom
- fixing wrong null check in command
BZ-1105122 - Avoid redundant calls of UserGroupCallback methods
BZ-1154576 - TaskService.getTasksAssignedAsPotentialOwners() returns excluded owners too