Merge branch 'monitored_training' into 'master'

bob/learn/tensorflow/examples/mnist/mnist_config.py

bob/learn/tensorflow/network/SimpleCNN.py

bob/learn/tensorflow/network/__init__.py

bob/learn/tensorflow/script/db_to_tfrecords.py

bob/learn/tensorflow/script/eval_generic.py

bob/learn/tensorflow/script/train_generic.py

bob/learn/tensorflow/test/test_db_to_tfrecords.py

bob/learn/tensorflow/test/test_estimator_scripts.py

bob/learn/tensorflow/utils/__init__.py

bob/learn/tensorflow/utils/eval.py

bob/learn/tensorflow/utils/hooks.py

bob/learn/tensorflow/utils/reproducible.py

bob/learn/tensorflow/utils/sequences.py

bob/learn/tensorflow/utils/tfrecords.py

setup.py