updated VnHypos.py to include 2D histogrma of qn vs centrality for passing...

updated VnHypos.py to include 2D histogrma of qn vs centrality for passing events (TrigHIHypo-00-00-46)

	* updated VnHypos.py to include 2D histogrma of qn vs centrality for passing events
	* TrigHIHypo-00-00-46
2015-03-17 Soumya Mohapatra& Tomasz Bold
	* moved from v2/v3 hypo to the common one
	* TrigHIHypo-00-00-45
2015-03-17 Tomasz Bold
	* fixed INFO messages, added VnHypo configs
	* TrigHIHypo-00-00-44

2015-03-10 Iwona Grabowska-Bold
        * bugfix for UE subtraction in UE.py
        * TrigHIHypo-00-00-43

2015-03-10 Tomasz Bold
	* added configs for electron/photon HI UE chains
	* TrigHIHypo-00-00-42

2015-03-04 Tomasz Bold
	* Added configurations for egamma UE subtraction algorithms and tools
	* TrigHIHypo-00-00-41
...
(Long ChangeLog diff - truncated)