simplified and improved printing in configureMCMC
simplified and improved printing in configureMCMC

nimble-dev/nimble,NLMichaud/nimble,nimble-dev/nimble,NLMichaud/nimble,nxdao2000/nimble,nimble-dev/nimble,nimble-dev/nimble,nxdao2000/nimble,NLMichaud/nimble,NLMichaud/nimble,nxdao2000/nimble,nxdao2000/nimble,nimble-dev/nimble