Enabled default dump of environment into env.txt for non-interactive jobs. [ATLASJT-346] (PyJobTransforms-03-00-31)

	* python/trfUtils.py
	- Added utility method isInteractiveEnv()
	* python/trfExe.py
	- Refactored checks for interactive environment using new method in trfUtils.
	* python/transform.py
	- Enabled default dump of environment into env.txt for non-interactive jobs. [ATLASJT-346]
	* Tagging PyJobTransforms-03-00-31

2016-11-17 Marcelo Vogel <mavogel@cern.ch>
	* scripts/makeTrfJSONSignatures.py
	- Replace script by updated version provided by AMI team [ATLASJT-284]
	* Tagging PyJobTransforms-03-00-30

2016-11-14 Marcelo Vogel <mavogel@cern.ch>
	* python/transform.py
	- Add property trfPredata to be set from env variable at trf init
	* python/trfReports.py
	- Add trfPredata to job report under key 'trfPredata'
	- Report version 2.0.7
	* Tagging PyJobTransforms-03-00-29
...
(Long ChangeLog diff - truncated)