minor cleaning to better match master branch
minor cleaning to better match master branch

adamallo/beast-mcmc,maxbiostat/beast-mcmc,adamallo/beast-mcmc,beast-dev/beast-mcmc,beast-dev/beast-mcmc,adamallo/beast-mcmc,maxbiostat/beast-mcmc,4ment/beast-mcmc,4ment/beast-mcmc,4ment/beast-mcmc,4ment/beast-mcmc,adamallo/beast-mcmc,maxbiostat/beast-mcmc,beast-dev/beast-mcmc,beast-dev/beast-mcmc,beast-dev/beast-mcmc,adamallo/beast-mcmc,4ment/beast-mcmc,adamallo/beast-mcmc,maxbiostat/beast-mcmc,beast-dev/beast-mcmc,maxbiostat/beast-mcmc,4ment/beast-mcmc,maxbiostat/beast-mcmc