afalhambra <> in jBPM

- Reuse and refactor of jbpm-installer classes and moved/refactored to jbpm-util-test module along with some dependency classes from jbpm-persistence module (#1605)

- Split of jbpm-installer into a new jbpm-db-script module to reuse and share DB sql scripts.

  1. … 622 more files in changeset.
# deleteLogsByDate method fixed by adding a delay of 1sec when starting up BPM processes in order to avoid issue with equal dates (#1596)

Fixed deleteLogsByDate method to avoid issue with dates (#1582)