Merge pull request #10 from mverzett/master

Updates
added sourcing of HiggsAnalysis/HiggsToTauTau/environment.sh
moved selection/mc corrections/fr fits to the appropriate location
reverted to old method
added eet channel to the cards, added tasks to set limits and plot them
added charge fakes to the shapes
added qcd / wjet shapes
added eet channel and its uncertainties
removed cards.sh, moved to limits.sh
rakes all the limit tasks