* add support for multi cards eva

* Modify the "cls_model_dir" to "cls_model_path" and "cls_params_path"

* fix local rank
* fix export model

* add static running in dygraph

add mkldnn config

* Update faq_2020_s1.md

* Update README_cn.md

add resnest101

* unify model and model_name

* rm unsed archs fix bug of se_resnext

* fix distillation model for distributed.launch

* fix export model for googlenet

add hub serving code and doc

* add densent init

* fix export model

* Update README.md

* Update README_cn.md

* Update update_history_en.md

* Update models_intro_en.md

* Update Inception_en.md

* Update Inception_en.md

* Update update_history.md

* Update models_intro.md

* Update Inception.md

* Add InceptionV3

fix python and cpp inference

fix feature map visualization

* fix config doc

* fix mainpage link

* fix typo

fix log benchmark

1. fix dist training 
2. fix cpp infer to support dir inference

add faq_2020_s1

Add InceptionV3 model