* rpn head refactor

* guided anchor

* add deprecate warning

* add more warning for set ori augs

* fix unitest

* change base

* cascade rpn

* cornernet and centri

* grid frcnn ok

* ga anchor ok

* legacy ok

* pisa ok

* tridnet ok

* fix tutorals

* use ConfigDict

* 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

* fix bug of gaussian_target, update unittest

* fix AELoss's weight; fix Conv's init in CornerHead; now the loss and mAP from 1 to 40 epochs are correct, still training

* add some comments

* fix cases

* update comments

* fix yapf

* add cornernet benchmark

* add noTTA mAP

* rename configs

* remove configs

* add docstrings, unittest and update configs

* update configs and readme

* update readme

* add inference time

* update text

* fix lint by pre commit

* add model and log link