Add option to not use masking for LSTMs in BiDAF (#250)
Add option to not use masking for LSTMs in BiDAF (#250)

* Add option to not use masking for LSTMs in BiDAF

* Fix docstring

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