Fix ATLASJT-325 (correct argBSFile.selfMerge) (PyJobTransforms-03-00-14)

	* python/trfArgClasses.py
	- Correct argBSFile.selfMerge to return the executor properly
	* Tagging PyJobTransforms-03-00-13

2016-06-21 Umesh Worlikar <umesh.worlikar@cern.ch>
        * python/transform.py
        - transform.execute() now ensures validate() in case of exception raised
          during execute() and postExecute(). This fixes missing 'bad_alloac' error
          in jobReport [ATLASJT-303]


Former-commit-id: 3a6ba277646497e13dd4e2016855b1f6e36ed1d5