Sync to upstream code on 21 Nov 2017
Created by: cloverpop
git remote add upstream https://xxx.git git remote -v git fetch upstream git branch -va git merge upstream/master git push origin master merge in github web interface
Created by: cloverpop
git remote add upstream https://xxx.git git remote -v git fetch upstream git branch -va git merge upstream/master git push origin master merge in github web interface