Merge pull request #1904 from metabase/saving-semantics-v3

frontend/src/card/card.controllers.js

frontend/src/card/components/Cards.jsx

frontend/src/components/AddToDashSelectDashModal.jsx

frontend/src/components/ButtonBar.jsx

frontend/src/components/HeaderBar.jsx

frontend/src/components/QuestionSavedModal.jsx

frontend/src/components/SaveQuestionModal.jsx

frontend/src/css/core/flex.css

frontend/src/dashboard/components/DashCard.jsx

frontend/src/dashboard/components/Dashboard.jsx

frontend/src/dashboard/components/DashboardGrid.jsx

frontend/src/dashboard/dashboard.controllers.js

frontend/src/dashboard/dashboard.module.js

frontend/src/icon_paths.js

frontend/src/lib/card.js

frontend/src/lib/query.js

frontend/src/lib/urls.js

frontend/src/pulse/components/PulseListItem.jsx

frontend/src/query_builder/QueryHeader.jsx

frontend/src/query_builder/SavedQuestionIntroModal.jsx