Do not load tiles outside extents for TileWMS source
Add tests for TileWMS tileUrlFunction
Merge pull request #1697 from tonio/remove_renderer_guess

Remove `ol.RendererHints.createFromQueryData` from the library
Merge pull request #1705 from tonio/geojson_null_geometry

Allow GeoJSON features to have `null` geometries.
Merge pull request #1711 from elemoine/modify

Modify interaction doesn't need to store styles
Merge pull request #1713 from elemoine/zoomcontrol

Use minus sign as zoom out label
Remove unneeded selectors, share font-family definitions
Share styles between zoom & extent control
Make fullscreen control use shared styles
Add olx.tilegrid namespace to the API doc
Merge pull request #1714 from bartvde/issue-1714

404 in api docs for TileGridOptions (r=@twpayne)
Merge pull request #1702 from igrcic/tileWMS-extents-1701

Do not request tiles outside of extents for TileWMS source
Minor api fixes
Add geom.jsdoc
Merge pull request #1715 from fredj/apidoc

Minor jsdoc fixes
use button elements and add tooltips to zoomcontrol
use button elements instead of anchor elements and add tooltips to zoomcontrol
Better integration of button tooltips
Sort externs alphabetically
Add VBArray externs