First pass at adding markers.
Added points to map. Started Geocoding functionality.
Lots of helpful commenting.
Simplified marker-making.
Moved all data to geoJSON, so we can change color of closest marker easily.
Open up the tooltip after search. Plus comments.
Better default text for tooltip.
Added farm icon.
Added market filter (non-working).
Hover state.
Moved legend to legendControl.
Added pin image.
Merge remote-tracking branch 'upstream/day2'

Conflicts:
	js/global.js