Add missing PAT recipe dependency
Make HZZ MELA & friends dependencies optional.
Workaround issue in virtualenv
Fix case where tau has no KF track but a GSF track.  Fixes #246
All taus are PFTaus now
PEP8 & factor out ZZ specific stuff
Don't run ZZ producers if ZZ mode is not activated
Make ZZ-dependent sequences optional
I don't want to press [any key]
Don't die if the HZZ files have already been removed
Merge pull request #270 from ekfriis/fix-lepton-dz

Fix lepton DZ for taus with GSF tracks only
Too many branches at once.
Add missing KEEP statement for FSR

Don't know how it ever worked without it!
make easier profiling
normalize to bin size
make differential plots
make different plot ranges for different variables
Merge pull request #272 from mverzett/master

New plotting options
Optionally configure global tag using autoCond
PEP8 cleanup