changed support roof defaults (now concentric)
changed support roof defaults (now concentric)

senttech/Cura,ad1217/Cura,fieldOfView/Cura,ynotstartups/Wanhao,fxtentacle/Cura,Curahelper/Cura,fxtentacle/Cura,hmflash/Cura,Curahelper/Cura,bq/Ultimaker-Cura,hmflash/Cura,totalretribution/Cura,totalretribution/Cura,senttech/Cura,ynotstartups/Wanhao,markwal/Cura,markwal/Cura,fieldOfView/Cura,ad1217/Cura,bq/Ultimaker-Cura