added the EvenVariableProducer classes
fixed some tabbing
Merge branch 'LS1_Upgrade' of github.com:OSU-CMS/OSUT3Analysis into LS1_Upgrade

Conflicts:
	AnaTools/plugins/BuildFile.xml
	AnaTools/plugins/Plotter.h
fixed conflicts
first commit of new module to calculate event variables
Forgot to add the source file for the common utilities. My bad.
Merge remote-tracking branch 'upstream/LS1_Upgrade' into LS1_Upgrade