BZ 991090: Process instances started via REST immediately after startup are logged with initiator 'Anonymous'
(cherry picked from commit 95e3ee60fe65c91d9b6e5153c15ef496d4a35ce4)
BZ 991090: Moving AdministrationService interface to -api module to allow mocks to be used.
(cherry picked from commit ad338537b418a180d8cef0ed57fa3d429ed10b8c)
BZ 991090: Moved AdministrationService interface to jbpm-console-ng-business-domain-api module