Merge pull request #2136 from metabase/new-dash-plus-scalable-cards-plus-fullscreen

frontend/src/admin/datamodel/containers/MetricForm.jsx

frontend/src/admin/datamodel/containers/SegmentForm.jsx

frontend/src/card/card.controllers.js

frontend/src/components/AbsoluteContainer.jsx

frontend/src/components/Ellipsified.jsx

frontend/src/components/ExplicitSize.jsx

frontend/src/components/Header.css

frontend/src/components/Header.jsx

frontend/src/components/HeaderBar.jsx

frontend/src/components/Icon.jsx

frontend/src/components/LoadingAndErrorWrapper.jsx

frontend/src/components/dashboard/dashboard.css

frontend/src/components/icons/ClockIcon.jsx

frontend/src/components/icons/CountdownIcon.jsx

frontend/src/components/icons/FullscreenIcon.jsx

frontend/src/components/icons/NightModeIcon.jsx

frontend/src/components/mb_data_table/mb_data_table.css

frontend/src/css/core/link.css

frontend/src/css/core/scroll.css

frontend/src/css/home.css