code clean, re-add tests.
lint, use slice instead of attempt to python style array index strings.
lint
Move _calculateStars to utility service.
Move _calculateStatus to utility service.
Remove redundant initGoogleMaps.  Just use one in utility service and remove one from app.  Edit spot controller arguments so works with version in the utility service.
Remove redundant _dayToNum since exists in utility service.
Move _calculateBoxLabels to utility service.