Allow ol.Map renderer option to be a string
Use string instead of ol.RendererHint enum in examples
Don't export ol.RendererHint
Allow ol.Overlay positioning option to be a string
Use string instead of ol.OverlayPositioning enum in examples
Don't export ol.OverlayPositioning
Allow ol.control.ScaleLine units option to be a string
Use string instead of ol.control.ScaleLineUnits enum in examples
Don't export ol.control.ScaleLineUnits
Allow ol.source.Source state option to be a string
Don't export ol.source.State
Allow ol.source.{Image,Tile}WMS serverType option to be a string
Don't use ol.source.wms.ServerType enum in examples
Remove no-longer-needed typecasts
Don't export ol.source.wms.ServerType
Allow ol.proj.Projection units option to be a string
Use string instead of ol.proj.Units enum in examples
Don't export ol.proj.Units
Merge pull request #1659 from twpayne/no-enums-in-examples

No enums in examples