BGLSS                   Bayesian Group Lasso with Spike and Slab prior
BSGSSS                  Bayesian Sparse Group Selection with Spike and
                        Slab priors
MBGLSS                  Multivariate Bayesian Group Lasso with Spike
                        and Slab prior
MBSGSSS                 Multivariate Bayesian Sparse Group Selection
                        with Spike and Slab priors
normalize               Internal Functions
