Esri/Terraformer — pull request #166 by patrickarlt (2013-10-05 16:49:24+00:00)
Title: Allow null geometries in Terraformer.Feature. Remove Array.isArray

`Terraformer.Feature` would throw errors is `geometry` was `null`, but this is allowed in GeoJSON.

This also removes a bunch of uses of `Array.isArray` which breaks in IE 8.