First commit of CutCalculator module. All of the basic logic has been copied
from OSUAnalysis.
Cleaned up the CutCalculator code and added comments. Also rearranged some
header files for more efficient building.
Merge remote-tracking branch 'upstream/LS1_Upgrade' into cut_calculator
Moved the definition of histoDef to AnalysisTypes.h and added some template
instantiations to ExternTemplates.cc.
Merge branch 'cut_calculator' into LS1_Upgrade