now using an updated version of @rnpenguin and @ldesboro treatment rendering
calc BG based on time of treatment, if it's not set; draw outlines for empty carb/insulin hemispheres
added some validation and warnings when BG thresholds aren't stacked the expected way
adjust size of focus dots based on screen size
Merge pull request #24 from nightscout/wip/jingle-bells

Wip/jingle bells