Make getFeatureById method exportable
Add interface for map events so properties can be disambiguated
Make map property of ol.MapEvent exportable
Make frameState property of ol.MapEvent exportable
Merge pull request #2161 from tschaub/exports

Map event and vector source exports.
Add offset and offsetOrigin in ol.style.Icon
Add parsing of gx:x, gx:y, gx:w and gx:h tags in KML format
REMOVE
Add ol.style.Icon tests for getAnchor and getOrigin
Add ol.format.KML test for complex IconStyle