* Support ResNeSt backbone

* fixed avg_down

* add docstring and test

* update table

* update docs and tests

* fixed test

* rename

* refactor splits

* add pytorch2onnx part

* Update according to the latest mmcv

* add docstring

* update docs

* update docs

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

* Auto get version info and git hash

* bump 0.5.1 and update doc

* fixed docs

* Add change log

* Generalized OHEM

* remove config

* update docstring

* fixed sort prob

* fixed valid_mask

* Add load-from flag

* minor update

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

* Support FP16

* add miss folder

* add tests

* remove useless config

* update memory

* reduce config

* migrate fp16 to mmcv

* add model link

* Fixed voc aug convert

* update getting_started.md

* add class balanced doc

* fixed name in pypi, add badge

* fixed name in install.md

* update install.md

* add pypi deployment

* remove useless jobs

* fixed typo and cleanup

* delete build.tx

* add change log

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

* add test tutorial

* remote torch/torchvision from requirements

* update getting started

* rename drop_out_ratio -> dropout_ratio

* add badge

* Created using Colaboratory

* add read docs

* Fixed readthedocs

* fixed colab ref

* add readthedocs.txt

* add link

* fixed modelzoo link

* add missing reference

* fixed docs

* remove relative path in docs

* add colab in README.md

* update docker image

* add newline

* fixed br