X-axis now derived from dates in data.
added styling to text and dots
added years and adjusted zooming properties
Merge pull request #11 from reddmetrics/feature/styling-fix-9

added styling to text and dots
Fix FORMA coverage in topojson. Simplify clicked function
Merge pull request #12 from reddmetrics/fix-9

adds x-axis, squashed a few bugs with click behavior