Edits to description & documentation in MCMC_samplers.R
Edits to description & documentation in MCMC_samplers.R

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