Fix GoogleMaps example view max zoom levels
Restore control’s keyboard navigation
Fixes button handlers event type
Change @class docs tag to @classdesc
Add example combining draw and modify interaction
Export condition singleClick and mouseOnly
Add condition to draw interaction
Add classdesc to gjslint custom tags
Add @classdesc to classes
Merge pull request #2178 from probins/classdesc

Use @classdesc notation.
Remove getSimplifiedGeometry from ol.geom.Circle

The `getSimplifiedGeometry` method is unnecessary as
`ol.geom.SimpleGeometry`'s default implementation is to do the
same thing (return `this`).
Fix typo in comment
Merge pull request #2179 from pagameba/remove-getsimplifiedgeometry

Remove getSimplifiedGeometry from ol.geom.Circle
Merge pull request #2130 from adube/fix-example-gmaps-zooms

Fix GoogleMaps example view max zoom levels
Merge pull request #2168 from tonio/keyboard_controls

Restore control’s keyboard navigation
Merge pull request #2114 from tsauerwein/draw-and-modify

Add example combining draw and modify interaction