Start messing around with GeoJSON support.
Merge branch 'master' into geojson
Add drag and drop for .geojson files.
Merge branch 'master' into geojson
Apply default styles to all GeoJSON features.
Ongoing GeoJSON prototyping.
Merge branch 'master' into geojson
Start of some specs, still a ton of work to do.
Ongoing GeoJSON work.
Merge branch 'master' into geojson
Ongoing GeoJSON work.
Fix failing tests.
Temporarily remove StaticProperty/StaticPosition property.

Have GeoJsonDataSource use private versions of them instead until I do them "for real".
More cleanup before pull request.
Doc cleanup.
Merge branch 'master' into geojson
Update CHANGES
Merge branch 'master' into geojson
Merge branch 'master' into geojson
Changes after review.