* fix sklearn params

* fix sklearn params

* fix metric order

* fix log when running vit in statich mode

* fix comment

* Support Visual DL

* Fix VDL

* Add doc of VDL, test=document_fix

* Add the en doc of VDL, test=document_fix
Co-authored-by: Nlittletomatodonkey <2120160898@bit.edu.cn>

* add quant clas

* fix load init model

* add quant

* add quant doc

* fix export model

* fix save distillation model

* add note

* Fix "tar" to "pdparams" to adapt to dygraph

* Update the download link of Paddle Inference Library

* fix eval script

* fix dali shell

* add support for multi cards eva

* unify model and model_name

* rm unsed archs fix bug of se_resnext

* fix distillation model for distributed.launch

* fix export model for googlenet

fix log benchmark

polish codes and docs to adapt Paddle2.0-rc