Improve code and apidoc formating
Remove unused ol.format.Polyline.decodeFloat function
Remove unused ol.format.Polyline.decodeSignedInteger function
Remove unused ol.format.Polyline.encodeFloat function
Remove unused ol.format.Polyline.encodeSignedInteger function
Remove unused ol.format.Polyline.decodeUnsignedInteger function
Make renderSync always force a render
Don't use withFrozenRendering in ol.interaction.Interaction.rotateWithoutConstraints
Don't use withFrozenRendering in ol.interaction.Interaction.zoomWithoutConstraints
Don't use withFrozenRendering in ol.interaction.DragRotateAndZoom#handleDragEnd
Don't use withFrozenRendering in ol.interaction.Select#handleMapBrowserEvent
Remove ol.Map#withFrozenRendering
Minor change of wording in `build.py help`.
Merge pull request #1779 from marcjansen/build.py-help

Minor change of wording in `build.py help`.
Remove unused ol.FeatureOverlay require
Merge pull request #1777 from fredj/polyline-cleanup

ol.format.Polyline cleanup
Merge pull request #1780 from fredj/unused-require

Remove unused ol.FeatureOverlay require
Merge pull request #1778 from twpayne/render-sync-forces-render

Make renderSync always force a render
Add ol.coordinate.sub
Add ol.View2D#rotate