adding c and l matching in reduction
add dijet preselction
Merge pull request #225 from michelif/topic_reductionjetmatchingcl

adding c and l matching in reduction
Merge pull request #234 from capalmer85/topic_vbf2013fixes

add dijet preselection
rewriting btagSF computation according to new variables/categories
new dijet weights
new combined weights
for vbf validation
for vbf validation
changes for new weights
Merge pull request #236 from martinamalberti/topic_vbf_validation_weights30ott

Topic vbf validation weights30ott
Merge pull request #235 from michelif/topic_btagSF

rewriting btagSF computation according to new variables/categories
update to sf files
tth at 7 TeV implemented
Modifs to signal model escale and smearing systematics:
- changed treatment of global energy scale
- remove nuisances from formulas if they don't produce an effect
Scale R9 for cic only
Imported GBR MVAs (switched off by default)

also addressed #233
Merge pull request #238 from martinamalberti/topic_r9scaling_forCiC

Scale R9 for cic only
Merge pull request #237 from matteosan1/topic_effFile

update to sf files
Merge pull request #239 from musella/topic_gbr_diphomva

Imported GBR MVAs (switched off by default)