update changelog (open-mmlab#987)

Bump version to v0.15.0 (open-mmlab#895)

Upper mmcv_minimum_version

Bump version to v0.13.0 (open-mmlab#777)

* Bump version to v0.13.0

* polish changelog

* Update changelog.md

* Update changelog.md

Co-authored-by: lizz <[email protected]>

Bump version to v0.12.0 (open-mmlab#660)

Bump version to v0.11.0 (open-mmlab#579)

* Bump version to v0.11.0

* update README

Bump the version to 0.10.0 (open-mmlab#514)

bump version to 0.9.0 (open-mmlab#406)

bump version to 0.8.0 (open-mmlab#302)

Make version.py independent (open-mmlab#234)

* make version.py independent

* upper bound mmcv again

* tiny

* tiny

* use  and remove

* remove short_version in setup.py

* update setup.py

* update setup.py

* add unittest for parse_version_info

* remove unittest

Co-authored-by: dreamerlin <[email protected]>