Remove pyqt-version of dannotes

Never managed to make much progress (though it was a good learning exercise for
understanding Qt's Model-View framework).
Update README.
qmlexperiments: Use property binding in hello.qml.

I wonder how the property binding is implemented in the qml runtime?
qmlexperiments: Add another prop binding example.
qmlexperiments: Add clock example.

Taken from ..

    "Introduction to Application Developent with Qt Quick Release 1.0"

.. A tutorial found on qt-project.org
Add snippet for displaying list views.