Fix setup.py to woprk for 15.10
Fix setup.py to woprk for 15.10

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