Merge branch 'master' of github.com:metabase/metabase into chart-settings

docs/users-guide/04-visualizing-results.md

frontend/src/metabase/Routes.jsx

...tabase/admin/datamodel/components/database/ColumnItem.jsx

...se/admin/datamodel/components/database/MetadataHeader.jsx

...dmin/datamodel/components/database/MetadataSchemaList.jsx

...admin/datamodel/components/database/MetadataTableList.jsx

...ase/admin/datamodel/components/revisions/RevisionDiff.jsx

...d/src/metabase/admin/people/components/UserRoleSelect.jsx

.../metabase/admin/settings/components/SettingsSlackForm.jsx

frontend/src/metabase/app.js

frontend/src/metabase/components/AccordianList.jsx

frontend/src/metabase/components/ActionButton.jsx

frontend/src/metabase/components/Breadcrumbs.css

frontend/src/metabase/components/Breadcrumbs.jsx

frontend/src/metabase/components/Calendar.jsx

frontend/src/metabase/components/CheckBox.jsx

frontend/src/metabase/components/ColumnarSelector.jsx

frontend/src/metabase/components/Detail.css

frontend/src/metabase/components/Detail.jsx

frontend/src/metabase/components/Ellipsified.jsx