message: Fix CPU sin Trig layer to actually compute sin
  Not cos
diff: @@ -23,7 +23,7 @@ void TrigLayer<Dtype>::Forward_cpu(const vector<Blob<Dtype>*>& bottom,
  if(func == TrigParameter_Function_COS)
  top_data[i] = cos(bottom_data[i]);
  else if(func == TrigParameter_Function_SIN)
  - top_data[i] = cos(bottom_data[i]);
  + top_data[i] = sin(bottom_data[i]);
  else
  CHECK(0) << "Unsupported trig function";
  }
  