TFTS examples

# TensorFlow-Time-Series-Examples Additional examples for [TensorFlow Time Series(TFTS)](https://github.com/tensorflow/tensorflow/tree/master/tensorflow/contrib/timeseries). ## Read a Time Series with TFTS - From a Numpy Array: See "test_input_array.py". - From a CSV file: See "test_input_csv.py". ## Predict a Time Series Using AR Model - From a Numpy Array: See "train_array.py".  - From a CSV file: See "train_csv.py".  ## Predict a Time Series Using LSTM - Univariate prediction with LSTM("train_lstm.py"):  - Multivariate prediction with LSTM("train_lstm_multivariate.py"):