Add time-based graphs
Support x-min and x-max. Egregiously bad code.
Reduce copy-paste
Support custom time labels
Allow user to configure default date format
Change XYPointData to use strings
Move lal stirng parsing from commcare to commcare-odk
Fix annotation for time-based graphs
Comments
Fix time series breaking when they don't have data
Merge pull request #73 from dimagi/time-charts

FB137318: Time charts
Merge branch 'master' into partograph_trials