Merge branch 'master' of github.com:metabase/metabase into react-virt-data-table

OSX/Metabase/Backend/MetabaseTask.m

README.md

bin/ci

docs/administration-guide/01-managing-databases.md

frontend/src/metabase/components/AccordianList.jsx

frontend/src/metabase/components/Calendar.css

frontend/src/metabase/components/Calendar.jsx

frontend/src/metabase/components/ExpandingContent.jsx

frontend/src/metabase/components/Popover.jsx

frontend/src/metabase/icon_paths.js

frontend/src/metabase/lib/dom.js

frontend/src/metabase/lib/query_time.js

.../src/metabase/query_builder/components/GuiQueryEditor.jsx

.../metabase/query_builder/components/QueryVisualization.jsx

frontend/src/metabase/query_builder/components/Warnings.jsx

...query_builder/components/filters/DateOperatorSelector.jsx

...tabase/query_builder/components/filters/FilterPopover.jsx

...etabase/query_builder/components/filters/FilterWidget.jsx

...ase/query_builder/components/filters/OperatorSelector.jsx

...e/query_builder/components/filters/pickers/DatePicker.jsx