Added more stuff#2

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CalPolyPat wants to merge 2 commits intodedx:masterfrom

CalPolyPat:master

Commits on Jun 30, 2015

Added an interact to see the separation between e+e- pairs
CalPolyPat
committed

Commits on Jul 1, 2015

Added DeltaR Calculation and Evs.V graphs
CalPolyPat
committed