* add quantization demo train.py

* add quantizatiom demo

* fix readme

* fix details

* fix details

* add last_conv name_scope

* fix config file in eval.sj

* remove train.sh eval.sh

* update solver.py and model_builder.py

* update solver.py

* update infer.py

* update model_builder.py for fitting different aug_method

* update model_builder.py

* update model_builder.py

* update export process

* save best model

* update train.py

* update train.py

* update train.py

* eval for last epoch model

* check model path

* check TEST.TEST_MODEL

* fix bug