BZ-1171810: partial fix, deployment id check
BZ-1171853 - Validate variable type when set
JBPM-4526-Reoccurring jobs for job executor
migration required changes to be able to run 6.2 on 6.1 and 6.0
BZ-1171859 - History data cleanup feature for process / human task
Combined features from JBPM-4526 (reoccurring jobs) and BZ-1171859-history log cleanup to provide possibility to schedule automatic cleanup of logs in background job
BZ-1173505 - TaskSummary retrieved using the EJB interface does not have information about potential and current owner - test cases that proves proper behavior