GitLab

Update README.md

I had to figure this one out on my own. Probably belongs in the manual install notes.

Make the README for textsum a little clearer

Make ptb_word_lm compatible with the latest TensorFlow source while maintaining backwards compatibility with TF 1.0

curl is pre-installed on the mac and the tensorflow docker image. wget
is not. This change allows this script to run on a stock mac, or in the
tensorflow docker image

- Removed replica_id which was removed from SyncReplicaOptimizer in V1.
- Removed call for get_clean_up_op which was removed from optimizer in V1.

Fix Mac build: avoid duplicating TF symbols