Add documentation for ol.format.Feature public API methods intended to be inherited by subclasses.
Add @function as a custom jsdoc tag for the linter.
Add documentation for the GeoJSON format.
Add documentation for the GPX format.
Add documentation for the IGC format.
Add documentation for the KML format.
Add documentation for the TopoJSON format.
Merge pull request #1844 from pagameba/doc-ol-format-feature

Documentation for ol.format.Feature subclasses