Merge pull request #3150 from metabase/getting-started

frontend/src/metabase/App.jsx

...end/src/metabase/admin/datamodel/containers/MetricApp.jsx

...nd/src/metabase/admin/datamodel/containers/SegmentApp.jsx

frontend/src/metabase/components/AccordianList.jsx

frontend/src/metabase/components/ColumnarSelector.css

frontend/src/metabase/components/ColumnarSelector.jsx

frontend/src/metabase/components/List.css

frontend/src/metabase/components/Select.jsx

frontend/src/metabase/components/Triggerable.jsx

frontend/src/metabase/css/components/buttons.css

frontend/src/metabase/css/core/bordered.css

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

frontend/src/metabase/css/core/cursor.css

frontend/src/metabase/css/core/text.css

frontend/src/metabase/css/home.css

frontend/src/metabase/css/query_builder.css

frontend/src/metabase/dashboard/dashboard.js

frontend/src/metabase/icon_paths.js

frontend/src/metabase/lib/redux.js

frontend/src/metabase/query_builder/DataSelector.jsx