* Add training to batchnorm with exponential moving average
* Add more checks to batch norm
* Resolve some review comments
* Add with_momentum varients of `new` methods
* Add check for range of momentum variable; update batch norm test
* Run cargo fmt
* Add back num_features parameter
* Format; tiny simplification
* Some fixes for yolo-v3.
* Use the running stats for inference in the batch-norm layer.
* Get some proper predictions for yolo.
* Avoid the quadratic insertion.
* Add a couple functions required for yolo.
* Add the yolo-v3 example.
* Add minimum and maximum.
* Use the newly introduced maximum.
* Cuda support for min/max + add some testing.
* Allow for more tests to work with accelerate.
* Fix a typo.
