Add CrossWoz Web support and some minor bug fix (#19)

* Initial commit

* first commit

* add build

* add build

* add build

* add recommend

* add crosswoz config in deploy

* add crosswoz at html

* debug chinese vision

* fix system bug according to convlab2

* master change

* modify .gitignore

* delete svm_camrest_usr.pickle

Co-authored-by: kflab_2018 <kflab_2018@kflab-2018s-MacBook-Air.local>
Co-authored-by: CarreyWong <carreywong@CarreyWongs-MacBook-Pro.local>