Merge pull request #42 from vijayaditya/nnet3_unittests

Changed backprop method in ElementwiseProductComponent; and other minor changes

diff --cc src/nnet3/nnet-test-utils.cc
index 98341c0ffc09fcd3707daca3f6d5343c4ecb6cb6,86f31b8fed6170b39a8342efd89c89815258d064..5db5e8de583d0a2be8b19844b88485d54b7bb24e
--- 1/src/nnet3/nnet-test-utils.cc
--- 2/src/nnet3/nnet-test-utils.cc
+++ b/src/nnet3/nnet-test-utils.cc
@@@ -366,10 -366,10 +366,10 @@@ void GenerateConfigSequenceLstm
  }
   
  void GenerateConfigSequence(
 -    const NnetGenerationConfig &opts,
 +    const NnetGenerationOptions &opts,
      std::vector<std::string> *configs) {
  start:
-   int32 network_type = RandInt(0, 3);
+   int32 network_type = RandInt(0, 4);
    switch(network_type) {
      case 0:
        GenerateConfigSequenceSimplest(opts, configs);