* [Refactor] move model pretrained to backbone init_cfg
* fix some bug and add a test unit
* add
* fix bug
* fix priority
* fix bug
* delete test backbone init cfg
* fix potential bug
* fix potential bug
* add detectors test unit
* fix logic
* add test unit
* fix
* Support batch infer in RetinaNet
* Suport batch multiclass_nms
* Revert multiclass_nms
* Fix api deprecated warning
* do not repeat anchors
* Move img_shapes
* Update Yolov3
* Support FCOS
* Support RPN
* Fix RPN topk_inds error
* make batch exportable to onnx for yolohead
* make fcos_head exportable to onnx with batch dim
* Support ATSS
* Support CornerNet and centripetalNet
* Update RetinaNet and delta_xywh
* Remove ugly code
* Remove ugly code of FCOS
* Remove ugly code of ATSS/YOLOV3
* Support RPN and revert bbox_head
* expand anchors to batch and remove BG class when use deploy_nms_pre
* Update
* Use dim=-1 instead of dim=2
* Rename anchor_head method
* Keep the original format output when nms is not use
* Rename method and unified code style
* Fix paa_head and unittest
* Fix FASF onnx export error
* Fix error
* fix single stage img_shapes for onnx
* move conf_thr
* fix rpn_head for onnx
* Add distance2bbox unittest
* Remove TODO
* Fix RPN
* Update docstrs
Co-authored-by: maningsheng <maningsheng@sensetime.com>
* clean op
* clean
* update build.yml
* fix setup
* change ci mmcv version
* change ci mmcv version
* add install pre-build mmcv instructions
* update mmcv url, move some unnit tests to mmcv
* update ci mmcv
* test
* test
* test
* fix unit test
* fix unit test
* fix onnx script
* update mmcv url
* fix typo
* fix some doc
* Bump version
* resolve comments
* Fix version bug
Co-authored-by: ZwwWayne <wayne.zw@outlook.com>