adds styling for a regular progressbar
adds styling for a regular progressbar

Commits to #44

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