* Add type of runner in configs

* fix missing config

* sup customize runner

* fix typo

* use build runner

* minor fix

* modify according to comments

* add an assertion

* swap order

* fix tutorial

* Move train_cfg/test_cfg into model

* fixed fsaf

* fixed missing

* Add markdown lint in pre-commit hook

* add markdown lint

* Support TTA of ATSS, FCOS, YOLOv3

* Add comment

* fixed typos

* replace url with download

* update to http

* Implement YOLOv3

* Remove unused function

* Update yolov3_ms_aug_273e.py

Clean the comments in config file

* Add README.md

* port to mmdet-2.0 api

* unify registry

* port to ConvModule and remove ConvLayer

* Refactor Backbone

* Update README

* Lint and format

* Unify the class name

* fix the `label - 1` problem

* Move a lot hard-coded params to the __init__ function

* Refactor YOLOV3Neck

* Add norm_cfg and act_cfg to backbone

* Update Config

* Fix doc string

* Fix nms (thanks to @LMerCy)

* Add doc string

* Update config

* Remove pretrained in head and neck

* Add support for conv_cfg in neck

* Update mmdet/models/dense_heads/yolo_head.py

Co-authored-by: Jerry Jiarui XU <xvjiarui0826@gmail.com>

* Update mmdet/models/dense_heads/yolo_head.py

Co-authored-by: Jerry Jiarui XU <xvjiarui0826@gmail.com>

* Fix README.md

* Fix typos

* update config

* flake8, yapf, docformatter, etc

* Update README

* Add conv_cfg to backbone and head

* Move some config to arch_settings in backbone

* Add doc strings and replace Warning with warnings.warn()

* Fix bug.

* Update doc

* Add _frozen_stages for backbone

* Update mmdet/models/backbones/darknet.py

Co-authored-by: Jerry Jiarui XU <xvjiarui0826@gmail.com>

* Fix inplace bug

* fix indent

* refactor config

* set 8GPU lr

* fixed typo

* update performance table

* Resolve conversation

* Add anchor generator and coder

* fixed test

* Finish refactor

* refactor anchor order

* fixed batch size

* Fixed train_cfg

* fix yolo assigner

* clean up

* Fixed format

* Update model zoo

* change to mmcv pretrain link

* add test forward

* fixed comma and docstring

* Refactor loss

* reformat

* fixed avg_factor

* revert to original

* fixed format

* update table

* fixed BCE

Co-authored-by: Haoyu Wu <haoyu.wu@wdc.com>
Co-authored-by: Haoyu Wu <wuhy08@users.noreply.github.com>
Co-authored-by: Haoyu Wu <wuhaoyu1989@gmail.com>
Co-authored-by: Jerry Jiarui XU <xvjiarui0826@gmail.com>
Co-authored-by: xmpeng <1051323399@qq.com>