updating luminosity
adding new_luminosity variable and luminosity_scale
adding new_luminosity and luminosity_scale to 7 TeV configuration
adding dependencies on luminosity_scale
adding driver scripts for all the variables
adding lumi scaling to control plots
Transferring legacy scripts from BristolTopGroup/AnalysisSoftware as per issue BristolTopGroup/AnalysisSoftware/#3
Merge pull request #55 from kreczko/master

Added lumi-scaling