Move backend call to model layer
Define constant for mass transit stop asset code
Remove dependency to global Backend object from SpeedLimitLayer
Create AssetsModel through a constructor instead of maintaining global object
Pass backend object as a construction parameter to AssetsModel
Refer backend from initialization parameter rather than from global scope
Rename parameter
Fix indentation
Rename global backend object
Provide backend as a instantiable object instead of singleton
updating CSV-import on operator manual
Replace center marker
Replace crosshair with new design
Adjust speed limit stroke widths according to zoom level
Updating speed limits picture on manual
Depend on custom Oskari with OpenLayers 2.13.1 and remove unused MarkersPlugin
Select speed limit WIP
Create collection abstraction for speed limits
Use segmentId with roadLinkId to separate speed limits
Cleanup of `SpeedLimitsCollection.fetch`