Document TreeTraits.
Document TreeTraits.

theranger/mlpack,ranjan1990/mlpack,ajjl/mlpack,theranger/mlpack,stereomatchingkiss/mlpack,darcyliu/mlpack,ranjan1990/mlpack,theranger/mlpack,palashahuja/mlpack,palashahuja/mlpack,lezorich/mlpack,BookChan/mlpack,lezorich/mlpack,darcyliu/mlpack,BookChan/mlpack,ajjl/mlpack,ranjan1990/mlpack,darcyliu/mlpack,ersanliqiao/mlpack,ersanliqiao/mlpack,stereomatchingkiss/mlpack,ersanliqiao/mlpack,BookChan/mlpack,stereomatchingkiss/mlpack,erubboli/mlpack,palashahuja/mlpack,erubboli/mlpack,lezorich/mlpack,ajjl/mlpack,erubboli/mlpack