Propagate r13418 to trunk.
Propagate r13418 to trunk.


BookChan/mlpack,darcyliu/mlpack,ranjan1990/mlpack,erubboli/mlpack,ranjan1990/mlpack,datachand/mlpack,datachand/mlpack,palashahuja/mlpack,datachand/mlpack,Azizou/mlpack,stereomatchingkiss/mlpack,darcyliu/mlpack,BookChan/mlpack,trungda/mlpack,ajjl/mlpack,lezorich/mlpack,chenmoshushi/mlpack,trungda/mlpack,bmswgnp/mlpack,erubboli/mlpack,ranjan1990/mlpack,ajjl/mlpack,Azizou/mlpack,ajjl/mlpack,thirdwing/mlpack,erubboli/mlpack,darcyliu/mlpack,BookChan/mlpack,thirdwing/mlpack,palashahuja/mlpack,stereomatchingkiss/mlpack,minhpqn/mlpack,theranger/mlpack,ersanliqiao/mlpack,minhpqn/mlpack,trungda/mlpack,ersanliqiao/mlpack,theranger/mlpack,lezorich/mlpack,palashahuja/mlpack,lezorich/mlpack,thirdwing/mlpack,theranger/mlpack,bmswgnp/mlpack,minhpqn/mlpack,ersanliqiao/mlpack,bmswgnp/mlpack,Azizou/mlpack,chenmoshushi/mlpack,stereomatchingkiss/mlpack,chenmoshushi/mlpack