Don't use WebGL if there is a major performance caveat
Improve type checking in WebGL support test
Merge pull request #1330 from twpayne/fail-if-major-performance-caveat

Don't use WebGL if there as a major performance caveat
Add ol.structs.RBush#isEmpty
Merge pull request #1331 from twpayne/rbush-is-empty

Add ol.structs.RBush#isEmpty
Remove geom package
Add ol.geom.Geometry
Add ol.geom.Point
Add ol.geom.LineString
Add ol.geom.Polygon
Add layout and stride to ol.geom.Geometry
Add some FIXMEs
Use GeoJSON types for geometries
Add ol.geom.MultiLineString
Add ol.geom.MultiPolygon
Add ol.geom.Geometry#transform
Add raw geometry types
Use raw geometry types
Add ol.geom.{in,de}flateCoordinates
Refactor ol.geom.Geometry to support Z, M and flat coordinates