fix dependency, directory structure

README.md

code/tools/downsampling_jpeg.m

code/tools/jpeg2binary.py

src/__init__.py

src/data/__init__.py

src/data/benchmark.py

src/data/common.py

src/data/demo.py

src/data/div2k.py

src/data/srdata.py

src/dataloader.py

src/demo.sh

src/loss/__init__.py

src/loss/adversarial.py

src/loss/discriminator.py

src/loss/vgg.py

src/main.py

src/model/__init__.py

src/model/common.py

src/model/ddbpn.py