Gardener Robot

@gyptazy You need rebase this pull request with latest master branch. Please check.

@5kt Thank you for your contribution.

@xiaofenhappy Label priority/normal does not exist.

@kon-angelo Labels kind/todo, priority/enhancement do not exist.

@kon-angelo You need rebase this pull request with latest master branch. Please check.

@tedteng You have mentioned internal references in the public. Please check.

@neo-liang-sap Command `/invite` is not allowed for issue but only for pullrequest.

@neo-liang-sap You need rebase this pull request with latest master branch. Please check.

@dansible Message > /ping @dansible

@shaoyongfeng Thank you for your contribution.