Added ability to control number of full evaluation tests from the command line (-tests N option).  This is overridden by fullEvaluations attribute in XML mcmc element.
Added ability to control number of full evaluation tests from the command line (-tests N option).  This is overridden by fullEvaluations attribute in XML mcmc element.

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