refactor load_more_data: split out start/end calc to PanSync
cleanup/docs
move gc to instance var
split mouse/touch events into separate files
move touch_enabled flag to Graph instance var
properly hide tooltip when panning
revert accidental addition of new lib
show tooltip on tap event
use builtin findClosestRow() method
return idx along with point
don't pad tooltip for touch devices
preventDefault() on tap event
[WIP] live updating of detail graphs