Anaconda/Theano/Tensorflow/Keras 설치

> Anaconda installation: https://anaconda.org/anaconda/python
> Theano installation: http://deeplearning.net/software/theano/install.html#install
> Tensorflow installation: https://www.tensorflow.org/install/
> Keras installation: Try "conda install keras" from Anaconda Command Prompt https://keras.io/#installation
- Keras tutorial: https://keras.io/#getting-started-30-seconds-to-keras
- Keras examples:
-- All: https://github.com/keras-team/keras/tree/master/examples
-- Simple neural network: https://github.com/keras-team/keras/blob/master/examples/mnist_mlp.py