Fixed emmental example.
Added information about loading of squad data in README.
Fixed BertLayerNorm which disappeared some time ago, replace with torch.nn.LayerNorm (which was buggy long time ago it seems).

looks good to me!<|||||>looks good to me too!<|||||>This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

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