Update version number for release.
Update version number for release.

darcyliu/mlpack,ranjan1990/mlpack,theranger/mlpack,ajjl/mlpack,ranjan1990/mlpack,ajjl/mlpack,palashahuja/mlpack,theranger/mlpack,theranger/mlpack,palashahuja/mlpack,darcyliu/mlpack,palashahuja/mlpack,darcyliu/mlpack,ranjan1990/mlpack,ajjl/mlpack