Remove (mostly unused) logger
Merge pull request #488 from twpayne/remove-logger

Remove (mostly unused) logger
Be more consistent with animation options
Be more consistent with control options
Be more consistent with geolocation options
Be more consistent with interaction options
Be more consistent with layer options
Be more consistent with parser options
Be more consistent with projection options
Add OpenStreetMap options
Add localized OpenStreetMap example
Use common attribution for OpenStreetMap
Merge pull request #491 from twpayne/openstreetmap-options

OpenStreetMap options
Update use of ol.Coordinate in example
Merge pull request #493 from twpayne/correct-example

Update use of ol.Coordinate in example
Be more consistent with source options
Be more consistent with map options
Be more consistent with overlay options
Be more consistent with style options
Be more consistent with tilegrid options