remove outdated code

Add files via upload

Update README.md

support evaluation; fix bug

Create README.md

enable restore training from previous bucket, support yaml config, support auto-store train/test metric

support different train/test source folder

restructure code

update clear 50,100

update code

fix bug of targets order

merge with origin master 12/17

backup

update collect log/metric from multiple server

fix agem CUDA error, enable different buffer size, add gdumb finetune and agem_fix