made morphing in doSM fit for the requirements of the HCG. Added an options for addHiggs2BG to comply with the HCG requirements. fixed a few typos in the vhtt datacards (e.g. cms vs CMS).
Merge branch 'rcaspart-morphing' of https://github.com/rcaspart/HiggsAnalysis-HiggsToTauTau into new_morphing
adding an option to perform horizontal morphing on fine binned signal templates before re-binning
fixing typo in options printout
Merge pull request #304 from rcl11/new_morphing

New morphing