Paint Data widget refactor/rewrite.
Paint Data widget refactor/rewrite.

Now using pyqtgraph instead of orangeqt.

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