changes for Daniels neutrino solution and ttbar reconstruction for top-tags
fixing call to deprecated EventCalc::FillHighMassTTbarHypotheses() in non-standard cycles
Merge pull request #5 from missirol/master

update of the chi2 selection, use top-tag overlap selection; 
use of updated neutrino solution is now standard, ttbar reconstruction takes the jet four-vector of a top-tagged jet if it is present for the hadronic top candidate