test=document_fix

* Update coco_eval.py

all the subsequent bbox of current image  will be ignored incorrectly if the conditional in the line 314 met

* fix bug in line 314 of coco_eval.py
Co-authored-by: Nwangguanzhong <jerrywgz@126.com>

Co-authored-by: NGuanghua Yu <742925032@qq.com>

* support visualdl in preprocess data

* support most preprocess op

* fix import error

* fix branch name

* remove stride param in anchor_generator, stride does not work when using FPN

* fix branch name in .travis.yml

* merge

test=document_fix

* Remove CN comments in roadsign config. (#1791)
* Update QUICK_STARTED_cn.md (#1757)
fix typo

* update some link in README

* fix product news

* update v0.5 release note

* update some comments

fix typo

* doc add pipeline (#1520)

* Update README_cn.md

* Correct Format of README_en.md

* Correct details in README_en.md
Co-authored-by: NGuanghua Yu <742925032@qq.com>

* update solov2 some detail

* fix check paddle version

* fix version check error

* fix some comment

* update cpp build script

* rename document and update script

* set WITH_MKL=ON for pass CI

* set WITH_GPU=OFF and WITH_TENSORRT=OFF for pass CI

* check md5 before load weights.

* add TX2 cpp build document and benchmark

* turn WITH_MKL=ON

* add tensorrt version

* set WITH_GPU=OFF for CI

* keep same as TX2_build

* enhance voc to coco docs

* fix voc annotation float type

* add solov2_mobilenetv3