Add a Cura-specific toolbar subclass
Add a Cura-specific toolbar subclass

ad1217/Cura,derekhe/Cura,bq/Ultimaker-Cura,fxtentacle/Cura,fieldOfView/Cura,fieldOfView/Cura,Curahelper/Cura,senttech/Cura,lo0ol/Ultimaker-Cura,ynotstartups/Wanhao,hmflash/Cura,ynotstartups/Wanhao,ad1217/Cura,totalretribution/Cura,quillford/Cura,DeskboxBrazil/Cura,lo0ol/Ultimaker-Cura,markwal/Cura,hmflash/Cura,DeskboxBrazil/Cura,senttech/Cura,fxtentacle/Cura,derekhe/Cura,Curahelper/Cura,markwal/Cura,quillford/Cura,totalretribution/Cura,bq/Ultimaker-Cura