* update model save load

* first add

* update model save and load

* update train.py

* update LaneNet model saving and loading

* adapt slim to paddle-1.8

* update distillation save and load

* update nas model save and load

* update model load op

* update utils.py

* update load_model_utils.py

* update model saving and loading

* update copyright

* update palette.py

* 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

* fp16_err

* add fp16 and multiple gpus train

* add fp16 and multiple gpus train

* add fp16 and multiple gpus train

* add fp16 and multiple gpus train

* add fp16 and multiple gpus train

* add fp16 and multiple gpus train

* add fp16 and multiple gpus train

* update solver_group.md

* add pspnet turtorial

* add model

* Update data_aug.md

* Update config.py