Avoid unneeded branching and fix an offset-by-one while filling the mistag plot
Improve code, remove unused private member, put Simulated PV computation and histogram filling out of the reco loop and fix TruePVIndex plot.
Add standalone harvesting sequence that could be used to run only VertexValidation harvesting easily.
Add small README file to run the Vertex Validation package in standalone mode
minor fix to the documentation
Merge pull request #4775 from rovere/improve_vertex_validation

Improve vertex validation