First example with QML; just get some data from QML

http://pyqt.sourceforge.net/Docs/PyQt5/qml.html

Signed-off-by: Rodrigo Oliveira <rodrigo@simb.com.br>
Another simple QML example; create the view and shows the QML file

Signed-off-by: Rodrigo Oliveira <rodrigo@simb.com.br>
Yet another QML example; custom component from python plus gradients

Signed-off-by: Rodrigo Oliveira <rodrigo@simb.com.br>