[Feature] resume infer/eval on datasets from checkpoint

I just close the `Terminal` while infer/eval was going on. 
Now, I have to do it from beginning, which takes about another 6.5 hours.

So I need to add this feat to my project.

like:
``` python
python train.py --resume_run output/train_apdepth/checkpoint/latest --no_wandb
```
implement:
```python
python infer.py --resume ......
```