fix serverResolutions if not provided
fix serverResolutions if not provided

WayTo/openlayers,colllin/openlayers,elbakai/openlayers,ahocevar/ol2,kartverket/openlayers,wet-boew/openlayers,colllin/openlayers,PetrDlouhy/openlayers,elbakai/openlayers,boundlessgeo/openlayers,sanak/ol2,adh1365/openlayers,boundlessgeo/openlayers,altamiracorp/openlayers,shevawen/openlayers,tschaub/openlayers-raster,avinet/openlayers,WayTo/openlayers,boundlessgeo/openlayers,elbakai/openlayers,kartverket/openlayers,wet-boew/openlayers,pvalsecc/openlayers,openlayers/ol2,dracic/openlayers,altamiracorp/openlayers,Gnafu/openlayers,owenmead/openlayers,ahocevar/ol2,kartverket/openlayers,adh1365/openlayers,sbrunner/openlayers,openlayers/ol2,boundlessgeo/openlayers,kartverket/openlayers,pvalsecc/openlayers,owenmead/openlayers,shevawen/openlayers,v5analytics/openlayers,tschaub/openlayers-raster,owenmead/openlayers,PetrDlouhy/openlayers,tschaub/openlayers-raster,georchestra/openlayers,sbrunner/openlayers,PublicStuff/openlayers,pvalsecc/openlayers,sanak/ol2,ahocevar/ol2,v5analytics/openlayers,altamiracorp/openlayers,PetrDlouhy/openlayers,PetrDlouhy/openlayers,pgiraud/openlayers,v5analytics/openlayers,pgiraud/openlayers,Gnafu/openlayers,owenmead/openlayers,georchestra/openlayers,avinet/openlayers,PublicStuff/openlayers,avinet/openlayers,shevawen/openlayers,sbrunner/openlayers,Gnafu/openlayers,openlayers/ol2,adh1365/openlayers,v5analytics/openlayers,PublicStuff/openlayers,WayTo/openlayers,dracic/openlayers,pvalsecc/openlayers,avinet/openlayers,wet-boew/openlayers,georchestra/openlayers,colllin/openlayers,PublicStuff/openlayers,shevawen/openlayers,elbakai/openlayers,sbrunner/openlayers,dracic/openlayers,pgiraud/openlayers,sanak/ol2,altamiracorp/openlayers,colllin/openlayers,Gnafu/openlayers,pgiraud/openlayers,adh1365/openlayers,dracic/openlayers,sanak/ol2,wet-boew/openlayers,openlayers/ol2,WayTo/openlayers