BATCHEE-45 improve on-demand help for simplerest
upgrade birkner test tools to 1.6.0

1.4.0 did pull in a transitive junit snapshot dependency...
BATCHEE-45 improve error handling for simpleRest
logging when JTA envrt is broken + fixing mvn variable names
BATCHEE-47 patch from Michael Edgar, wrong logic in TransactionalWriter
afterCommit shouldn't use getResource
BATCHEE-48 ItemProcessListener.onProcessError parameter is wrong, thanks Alonso Gonzalez for the feedback
BATCHEE-49 don't delete parameter when clicking on its name
BATCHEE-51 add stop and restart to SimpleRest api

Usage via:
* .../jbatch/rest/stop/${executionId}
* .../jbatch/rest/restart/${executionId}