add additional QCD systematic tail-fits, don't fit 7TeV e-tau QCD in btag, fix behaviour of datacard copying
Merge branch 'tmp' into tail-fitting

Merging changes into upstream HEAD
Conflicts:
	scripts/addFitNuisance.py
Make code a little less verbose. Also no need for rootlogon.C file now when invoking macro
Merge pull request #93 from ajgilbert/tail-fitting

Fix a bug in the tail-fitting macro and add more fits for qcd shape uncertainties