Add time-based charts
Missed adding a file
Add time along with date
Support x-min and x-max. Egregiously bad code.
Cleanup
Change XYPointData to use strings
Drop TimePointData
Merge pull request #29 from dimagi/time-charts

FB137318: Time charts
Added a persistent detail concept to allow for a detail that should be used to summarize the case in an ongoing way.
Merge branch 'inline_entity_tiles' into async_entities
Merge branch 'master' into inline_entity_tiles
Merge branch 'inline_entity_tiles' into async_entities