GitLab

* add isort config

* use isort to sort imports

* add isort to travis

* Fix license in setup.py

* Add code for loss evaluator

* Configs support loss evaluator

* Fix a little bug

* Fix flake8

* return revised bbox to reg

* return revised bbox to reg

* revision according to comments

* fix flake8

* Reformat use yapf 0.27.0

* Add yapf style file

* rename normalize to norm_cfg

* update configs

* Update resnet.py

* add support for weight standardization

* add ws support for htc heads

* add a config file for 20-23-24e lr schedule

* update readme of weight standardization