Update torch and tensorboard versions in setup.py (#1311)
Update torch and tensorboard versions in setup.py (#1311)

The torch and tensorboard versions in `setup.py` referenced older versions that were not consistent with `requirements.txt`. This mixup led to several `pip` warnings after installing from source:

```
allennlp 0.4.4-unreleased has requirement tensorboardX==1.0, but you'll have tensorboardx 1.2 which is incompatible.
allennlp 0.4.4-unreleased has requirement torch==0.3.1, but you'll have torch 0.4.0 which is incompatible.
```
allenai/allennlp,allenai/allennlp,allenai/allennlp,allenai/allennlp