Start on porting mapnik3 branch - focus on remote markers
Use marker-path across the board, use travis hacks
Normalize on way out and in
Add test coverage for failure,

* fix marker-fill that should be marker-color
Update package test, add compare view
Fix template, add image compare tests, fix inline geojson
Wrap GeoJSON in CDATA
Cache on marker tints as well. Test tints
Get more mileage out of our examples, support fill-opacity
Merge pull request #7 from mapbox/m3

Start on porting mapnik3 branch - focus on remote markers