Remember the chosen custom background when set by url
Remember the chosen custom background when set by url

bagage/iD,mapmeld/iD,mapmeld/iD,ngageoint/hootenanny-ui,bagage/iD,morray/iD,kartta-labs/iD,openstreetmap/iD,AndreasHae/iD,AndreasHae/iD,kartta-labs/iD,bagage/iD,AndreasHae/iD,1ec5/iD,morray/iD,digidem/iD,digidem/iD,kartta-labs/iD,1ec5/iD,ngageoint/hootenanny-ui,openstreetmap/iD,ngageoint/hootenanny-ui,openstreetmap/iD,1ec5/iD,mapmeld/iD