Give Somaliland and Northern Cyprus unique ids
Do not make ol.style.Image exportable

Application developers should use its subclasses.
Merge pull request #2115 from tschaub/duplicate-id

Give features unique identifiers.
Merge pull request #2116 from ahocevar/no-imagestyle

Do not make ol.style.Image exportable
Mark ol.format.GPX#readProjection as a function
Load the icon when needed in ol.FeatureOverlay
Move workshop reference to doc index
Merge pull request #2120 from bartvde/workshop

Move workshop reference to doc index
Merge pull request #2028 from oterral/immediate_icon

Load the icon when needed in feature overlay
Export ol.format.OSMXML#readFeatures
Export ol.format.OSMXML#readProjection
Fix formating issue in doc
Exports for ol.format.GML and ol.format.WFS
Make loading strategies appear in the docs
Merge pull request #2123 from fredj/export-osmxml

Export ol.format.OSMXML#readFeatures and ol.format.OSMXML#readProjection
Merge pull request #2124 from bartvde/gmlwfs

readFeatures on ol.format.WFS is not exported (r=@fredj)
Merge pull request #2125 from ahocevar/loadingstrategy-docs

Make loading strategies appear in the docs
Fix bug in ol.FeatureOverlay

This fixes a major regression introduced by db5b443 (#2028), where the FeatureOverlay won't draw features that do not have an image style.
Merge pull request #2127 from elemoine/2126

Fix bug in ol.FeatureOverlay
Export ol.ObjectEvent#key property