bump version to 1.1.5 (open-mmlab#603)

bump version to 1.1.4 (open-mmlab#591)

bump version to 1.1.3 (open-mmlab#569)

bump version to 1.1.2 (open-mmlab#537)

Move unit tests to specific folders (open-mmlab#520)

* move unit tests to specific folders

* fix path error

* remove some assertions

* fix ignore path

bump version to 1.1.0 (open-mmlab#508)

Fix torch installation in github action (open-mmlab#462)

* bump version to 1.0.5

* fix pytorch name

* fix version

* disable the cache

bump version to 1.0.4 (open-mmlab#446)

bump version to 1.0.3 (open-mmlab#434)

compitable dcn old api (open-mmlab#405)