Merge remote-tracking branch 'upstream/master' into binning-strategies

frontend/src/metabase/icon_paths.js

frontend/src/metabase/meta/types/Segment.js

frontend/src/metabase/qb/components/actions/XRaySegment.jsx

frontend/src/metabase/qb/components/actions/index.js

frontend/src/metabase/qb/components/modes/SegmentMode.jsx

frontend/src/metabase/reference/databases/FieldSidebar.jsx

frontend/src/metabase/reference/databases/TableSidebar.jsx

frontend/src/metabase/reference/metrics/MetricDetail.jsx

frontend/src/metabase/reference/reference.js

frontend/src/metabase/reference/segments/SegmentSidebar.jsx

frontend/src/metabase/reference/selectors.js

frontend/src/metabase/routes.jsx

frontend/src/metabase/services.js

frontend/src/metabase/xray/Histogram.jsx

frontend/src/metabase/xray/SimpleStat.jsx

frontend/src/metabase/xray/components/Constituent.jsx

frontend/src/metabase/xray/components/CostSelect.jsx

frontend/src/metabase/xray/components/StatGroup.jsx

frontend/src/metabase/xray/components/XRayLayout.jsx

frontend/src/metabase/xray/containers/CardComparison.jsx