* add_vdl

* Update docs for visualdl.

* update all docs involving color label

* modify usage.md

* usage.md

* Update data_prepare.md

* Update jingling2seg.md

* Update jingling2seg.md

* Update labelme2seg.md

* Update jingling2seg.md

* a

* Update config.md

* Update config.md

* Update config.py

* Update config.py

* Update config.py

* Update config.md

* Update basic_group.md

* Update basic_group.md

* Update data_aug.md

* Update config.md

* Update finetune_pspnet.md

* Update finetune_pspnet.md

* Update finetune_unet.md

* Update finetune_unet.md

* Update finetune_icnet.md

* Update finetune_pspnet.md

* Update finetune_hrnet.md

* Update README.md

* Update finetune_deeplabv3plus.md

* Update finetune_deeplabv3plus.md

* Update README.md

* Update config.md

* Update train_group.md

* Update models.md

* Update model_group.md

* Update model_group.md

* Update train_group.md

* Update train_group.md

* Update model_group.md

* Update model_group.md

* Update README.md

* Update README.md

* Update models.md

* Add files via upload

* Add files via upload

* Update models.md

* Update models.md

* add hrnet tutorial

* init deepglobe_road_extraction.yaml

* update download_mini_deepglobe_road_extraction.py

* update model_builder.py

* update solver_group.md