Configure draw interaction with a vector source
Add parsing of <gx:Track> in <Placemark>
Rename ol.xml.pushAndParse to ol.xml.pushParseAndPop
Merge pull request #1557 from oterral/master

KML: Add parsing of <gx:Track> in <Placemark>
Merge pull request #1540 from elemoine/draw

Configure draw interaction with a vector source instead of a layer
Merge pull request #1558 from twpayne/push-parse-pop

Rename ol.xml.pushAndParse to ol.xml.pushParseAndPop
Export ol.source.VectorEvent#getFeature function
Export ol.source.Source#getState function and ol.source.State symbol
Add and export ol.source.Source#refresh function

Alias of ol.source.Source#dispatchChangeEvent