GitLab

- faster cnn2d by pre-computing scaling factors used on gradients of cnn2d weights
- unit tests for all methods of cnn2d, max-pool-2d, avg-pool-2d components
- added cnn2d recipe in Resource Management, local/nnet/run_cnn2d.sh
bugfix steps/nnet/make_priors.sh : in importing cmvn-option in preparing feature-extraction pipeline 
 


git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@5165 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8