Decorators/accessors consolidation. New trigger helpers. Update trigger...

Decorators/accessors consolidation. New trigger helpers. Update trigger electron SF. Lots of xsections. (SUSYTools-00-08-41)

	* Change default trigger SF file for single electron chains.

2017-01-27  Zach Marshall <ZLMarshall@lbl.gov>
	* Adding new scripts/CheckDAODCompleteness.py from Bertrand for checking
	that there aren't missing events in your DAODs

2017-01-25 Federico Meloni <federico.meloni@cern.ch>
	* Added some signal xsecs (bffN) and tWZDR

2017-01-25  Zach Marshall <ZLMarshall@lbl.gov>

2017-01-24  Martin Tripiana <tripiana@cern.ch>
	* add missing TT 4body samples to xsection file
	* add new TT grid samples to xsection file

2017-01-24  Zach Marshall <ZLMarshall@lbl.gov>
	* Adding 410225 to the xsec file from XsecSummaryTTbar

2017-01-23  Martin Tripiana <tripiana@cern.ch>
	* Update JES+JMS calib recommendation (ATLSUSYSW-213))
...
(Long ChangeLog diff - truncated)


Former-commit-id: b8e5b70e