Add a calculation of the systematics for the total bkg
minor fixes
some commenting in sample.py
Fixes in the CompositeSample + other minor changes
Simplify the draw_ratio function
Add an optional label in the draw_ratio function
Add an optional label in the shape_syst plots
Minor Fix in draw_ratio
add new CR categories for CB
Simplify events method in CompositeSample
Remove the spaces around the = signs (PEP8 convention)
Remove extra spaces in draw_ratio function
Add a space before events method in CompositeSample
Add spaces after commas in __init__ of CompositeSample
few fixes
few fixes
few fixes
few fixes
few fixes in indentation
Merge pull request #10 from qbuat/master

CompositeSample