Remove unnecessary 'normalizer' variable and add accessor for gamma.  No mutator because those two variables are codependent.
Remove unnecessary 'normalizer' variable and add accessor for gamma.  No mutator
because those two variables are codependent.


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