Merge pull request #129 from musella/patch_fix_regression_jets

Restored jet processing in reduction (disabled by mistake in #47
Merge pull request #130 from musella/master

Changes to vbf optimization code that were left out
Merge pull request #131 from musella/topic_tagme

Add h2ggit.py script.
Changes for legacy_reduction_8TeV_v2:
- Added electron charge to reduction output
- Added back missing file from runB
- Config files committed
Fixes implemeted for legacy_reduction_v2
- Temporary patch to avoid long list of error messages due to missing RooSpline1D dictionary.
- Protect track isolation computation from overflow in track position array.
Fixes for on-the-fly regression:
- used sqrt(sigma_{ieie}) instead of sigma_{ieie} (see #36)
- rho was incorrectly calcultated
- CMSSW regession values were overwritten