Fixes to ImageNet training script (#19)
Fixes to ImageNet training script (#19)

- Fix call to top-k which had produced incorrect prec@1 calculation
- Fix checkpoint loading. Create the DataParallel container before
  resuming checkpoints so that the structure matches.
- Weight average precision by batch size
- Add '--evaluate FILE' option to only run on validation set
adamlerer/examples,edgarriba/examples,tshadley/examples,chuckbasstan123/pyTorch_project,BestSonny/examples,bmccann/examples,adamlerer/examples,tshadley/examples