* [CI] Add Circle CI for mmcls 1.x
* Fix circle-ci config
* Use `torch.cat` instead of `torch.hstack` to compat with PyTorch 1.6
* Compat the behavior of LongTensor in PyTorch 1.6
* Avoid random behavior in the unit test of Lighting
* Fix cuda ci
* Remove github workflow temporarily.
* Rename some files in unit tests.
* Rename `pipelines` folder to `transforms`.
* Fix version requirement range.
* Remove `init_random_seed` and `set_random_seed`.
* Fix unit tests
* Rename `convert_models` to `model_converters`.
Ma Zerun
Ezra-Yu