OWPaintData: attr names can now be changed and are added to settings
OWPaintData: attr names can now be changed and are added to settings

marinkaz/orange3,kwikadi/orange3,qusp/orange3,marinkaz/orange3,qusp/orange3,cheral/orange3,cheral/orange3,qPCR4vir/orange3,marinkaz/orange3,kwikadi/orange3,marinkaz/orange3,marinkaz/orange3,kwikadi/orange3,cheral/orange3,kwikadi/orange3,qPCR4vir/orange3,qusp/orange3,qPCR4vir/orange3,cheral/orange3,cheral/orange3,cheral/orange3,qPCR4vir/orange3,qPCR4vir/orange3,qPCR4vir/orange3,marinkaz/orange3,kwikadi/orange3,kwikadi/orange3,qusp/orange3