StaticVector is not an abstract base class
Add vector layer in export-map example
Merge pull request #2702 from fredj/export-map

Add vector layer in export-map example
Merge pull request #2698 from ahocevar/feature-not-abstract

StaticVector is not an abstract base class
Use pool thread for calling bin/check-example.js.

Saves 50s out of 60s on my machine, that is 83%.
Fixes https://github.com/openlayers/ol3/issues/2695
Merge pull request #2704 from gberaudo/pooled_example_checks

Use pool thread for calling bin/check-example.js.
Add ol.extent.forEachCorner
Add ol.geom.flat.segments.forEach
Add ol.geom.flat.contains.linearRingContainsExtent
Add ol.geom.flat.intersectsextent

Includes functions for testing if an extent and a geometry intersect.
Add ol.geom.Polygon#intersectsExtent
Add ol.geom.MultiPolygon#intersectsExtent
Add a box feature selection example