KaiyangZhou/deep-person-reid: Torchreid v1.0.0

Major updates: Significant changes to "scripts/main.py", where most arguments in argparse are replaced with config. Add config files which contain predefined training params to configs/. In data manager and engine, use_cpu is changed to use_gpu. In data manager, batch_size is changed to batch_size_train and batch_size_test. Tensorboard is available