GitLab

* add pytorch 1.6 to CI

* fix typo

* fix ci error
Co-authored-by: Cao Yuhang <yhcao6@gmail.com>

* add more projects in readme

* fix typo

* Add mmaction2

* reformat

* use latest rather than 1.0.0 for mmcv installation

* Fix install bug

* Bump to rc2

* change rc2 -> 1.0.0

* use env to control compile op or not

* use str as env var

* update readme

* update rc01

* update readme
Co-authored-by: Kai Chen <chenkaidev@gmail.com>

* Rewrite readme.rst by markdown

* Update setup.py

* Update mmcv links

* clean code

* Add logo

* Resolve comments

* clean unnecessary code change