Merge pull request #4 from qbuat/master

Overlap study
update higgs sample names
update norms
update norms and begin dR weighting
rm cuts at preselection
place MET cut at preselection and use CB met centrality cuts
generalize norm script to work on other variables
ws fit + uncertainty band plot
bring back the ratio plot
rm print
new training
show ratio plots for the BDT and fix ratio xaxis limits
Makefile shortcuts
update norms for 2011
fix mu range and blinding
show uncert band even without systematics
cleanup of the uncert band plotting functions
Merge pull request #5 from qbuat/stats_tools

Postfit plot with uncert band
Changes in the overlap study categories