Merge branch 'master' into fix-psql-cache-cleanup

.flowconfig

.gitignore

README.md

bin/ci

bin/docker/run_metabase.sh

bin/start

docs/administration-guide/databases/oracle.md

docs/administration-guide/databases/vertica.md

frontend/src/metabase-lib/lib/queries/NativeQuery.js

.../metabase/admin/settings/containers/SettingsEditorApp.jsx

frontend/src/metabase/components/AdminLayout.jsx

frontend/src/metabase/components/Calendar.css

frontend/src/metabase/components/Calendar.jsx

frontend/src/metabase/components/EntityMenu.jsx

frontend/src/metabase/components/LogoIcon.jsx

frontend/src/metabase/components/Popover.css

frontend/src/metabase/components/Popover.jsx

frontend/src/metabase/components/Select.info.js

frontend/src/metabase/components/Select.jsx

frontend/src/metabase/css/core/colors.css