added gen VBs accordingly to signal definition
Merge branch 'master' of https://github.com/bellan/VVXAnalysis
Merge branch 'master' of https://github.com/bellan/VVXAnalysis
added gen vbs, lumi info into the weight and removed abs in front of genvb is
Merge branch 'master' of https://github.com/bellan/VVXAnalysis