* fix: reordering DOM output, simplifying styles, Emotionalizing
* simplification
* converting RefreshChartOverlay to TS
* Loading -> TS, stripping unused size prop
* simplification...
* just letting "position" prop act as a class name. Simpler!
* consolidating styles, changing a className prop to a position prop.
* nixing (unused) classname prop
* replacing inline loading img with the proper Loading component
* BY THERE.
* position prop is optional!
* [datasets] new, react listview
* add hidden columns to support filtering by columns not rendered
* throw exception if config is incorrect
* fix database filter
* update endpoints to point to datasets; fix translation strings
* move Link into src/components
* add add new record button to datasets listview
