Merge from jpata/dev-toptagger-me
-fixed fatjet types 75815d
-added processing tag hash to step2 submission 991986, 27687d
-new samples, xs in step2 b7e13a
-copy toptaggers to step2 output, headergen branches split 6116e5
Update README.md
spaces, dump configuration
added nickname map
added util scripts
updated crab files
new tags for hadd and replica scripts
Prepare for running with CMSSW 72X
Made Taggers_cfg compatible with new NJettinessAdder
Updated tagger_branches.py
Copied over plot helpers from old repo
Added PrepareRootStyle
Added OutputDirectoryHelper and RebinHelper
Moved CompareDistributionsHelpers.py, fixed imports
Moved Plot2DHelpers.py, fixed imports
Moved PlotEffsHelpers.py, fixed imports
Moved PlotProfilesHelpers.py, fixed imports
Updated .gitignor
Plot-Helper import fixes
Added TopVars plot and tune dist helper