Added an exception for empty v+jets template (happpens in >=2m bin)
Fixed memory leak and a bug with spurious error bars
Fixed memory leak in plotting
Merge pull request #37 from kreczko/master

updates, fixes and new control plots (7 TeV)
Merge pull request #38 from senkin/plotting_changes

Plotting changes
added Sergey's fix [plt.close()] to the other functions as well.
Fixing summations
Added the cutflow script for 8 TeV
Variable-binned QCD histograms of lepton eta (many control plots)
Merge pull request #40 from senkin/working_branch

QCD_hists/cutflow/bugfix
Updated MT variable binning (last bin smaller for visualisation purposes)
Updated the QCD template extraction - now all inclusive
Added constraints into the fit
Added the fit results in tables script
Updated the paths for histograms/unfolding files
Added the power operator to make it look nicer
Added the all-inclusive non-iso QCD control plot for muons
Merge pull request #41 from senkin/working_branch

Updates for the pre-approval
Electron QCD is now normalised to MC; new unfolding files
Fixed a bug with scale-up unfolding file