Roads tools cleanup and documentation
Created by: raffaelladevita
- fixed bug in merger tool not closing the output file
- restored smearing options in validator
- various code cleanups
- improved usage printouts and new README
Documentation for code.jlab.org, GitLab, CI/CD, Pages, etc is available: https://pages.jlab.org/scicomp/software/code-gitlab-docs/
Created by: raffaelladevita