Merge pull request #6278 from metabase/alerts

.eslintrc

docs/api-documentation.md

frontend/src/metabase-lib/lib/Alert.js

frontend/src/metabase-lib/lib/Question.js

frontend/src/metabase/alert/alert.js

frontend/src/metabase/alert/selectors.js

frontend/src/metabase/components/ButtonWithStatus.jsx

frontend/src/metabase/components/ChannelSetupMessage.jsx

frontend/src/metabase/components/ChannelSetupModal.jsx

frontend/src/metabase/components/DeleteModalWithConfirm.jsx

frontend/src/metabase/components/EntityMenu.jsx

frontend/src/metabase/components/EntityMenuTrigger.jsx

frontend/src/metabase/components/ModalContent.jsx

frontend/src/metabase/components/SchedulePicker.jsx

frontend/src/metabase/containers/SaveQuestionModal.jsx

frontend/src/metabase/containers/UndoListing.jsx

frontend/src/metabase/dashboards/dashboards.js

frontend/src/metabase/icon_paths.js

frontend/src/metabase/lib/cookies.js

frontend/src/metabase/lib/request.js