Merge pull request #3 from nightscout/dev

Dev
read BG thresholds and alarm types from ENV and make them available to the server and api
read BG thresholds from api; refactor init so that it happend after we get basic settings from api
emit alarms based on ENV ALARM_TYPES (simple and predict)
updated BG_HIGH default to 240
cleanup
preseve current behavior is new BG_* and ALARM_TYPES ENV isn't set

also some cleanup of the int ENV parsing
draw 2 extra lines for the high/low thresholds; dispay normal alarms as yellow and urgent as red; some clean up
changed default of BG_HIGH to 260
some more display adjustments for short-landscape mode
make an errorCode based alarm count as a low
move tooltip div declatration up so it can be referenced as before
added tooltip for SGVs and MBGs in the focus area; different color outline for ShugaTrak
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 #7 from nightscout/wip/jingle-bells

Wip/jingle bells
adjust the radius of the focus dots on transistion also (for rotate, etc)
added some text-shadow for carb/insulin amount to make them easier to read when overlaping other elements