* [Refactor] Update dev scripts to be compatible with selfsup tasks.
* Fix some missing fields in config files.
* Set maximum number of gpus for local training.
* Update README files
* Update according to comments.
* [Feature] Implememnt the universal visualizer for multiple task.
* Update tools
* Improve according to comments.
* Fix tools docs
* Add --test-cfg option and set default collate function.