Fixed issue #60:
 - Added two new version of the result
   - all systematics but the ttbar theory
   - all systematics but the top-pT reweighting and hadronisation (MC@NLO)
 - Changed inputs for plotting to the above
- fixed z-order for data-mc comparison plots
- fixed variable name warning: bin -> bin_i ('bin' is a predefined python function)
Merge pull request #65 from kreczko/fixes_plotting_and_errors

Fixes plotting, errors and issue #60
Plotting bugfixes and examples
Updated rootpy graph bug example (now fixed)
Adding categories for control plots/cosmetics
Fixing the control region comparison plots.. still opaque
Updated the README file
Fixing the legend zorder, adding MC unc in QCD plots
Added a possibility to draw a vertical red line in control plots
Added muon and electron relIso plots
Merge pull request #66 from senkin/plotting_fixes

Plotting fixes
k-value determination and updates
 - added 'best k-value determination' script
 - updated paths for the determination and comparison scripts
 - updated rootpy (fix for transparency
 - updated TopSVD imports
Merge pull request #67 from kreczko/k_value_determination_merged

k-value determination and updates
Updated recipe for soolin
Updated the cutflow script. Lumi is now scaled, the selection steps order fixed.
Plotting fixes/changes
Merge pull request #68 from senkin/master

More fixes/changes
Added lepton pt plots
Added binning plots