Track parameters in tensorboard (#196)
Track parameters in tensorboard (#196)

* Add simple tensorboard tracking of parameters

* Add tracking of gradients

* Fix typos in code

* Rename vars

allenai/allennlp,nafitzgerald/allennlp,nafitzgerald/allennlp,allenai/allennlp,allenai/allennlp,nafitzgerald/allennlp,allenai/allennlp,nafitzgerald/allennlp