Highway-Layer-Keras

Since Highway Layer was removed from Keras 2.0 and on, here is a simple implementation of it in Keras 2.0 using its functional API.

For tensorflow users, I have also written a simple function with Highway logic. You can find it here - https://gist.github.com/ParikhKadam/7d58b25a6bab979f5fab683d994b279e