in my quest to de-virtualize the ProItems i also devirtualized their
d'tors without providing a replacement. whoops.

Reviewed-by: dt
Task-number: QTCREATORBUG-1003

Otherwise the paths may end up with ../ or /./ in them and confuse the
Qml import resolving.

Reviewed-by: Thomas Hartmann

We no longer allow it to collapse below it's size hint.
I also reduced the bottom margin.

qmlRegisterType<QDeclarativePen>("Qt",4,6,"Pen");
qmlRegisterType<QDeclarativeScaleGrid>("Qt",4,6,"ScaleGrid");

Rectangle and BorderImage work now

QDeclarativePropertyMap changed

void valueChanged(const QString &key, const QVariant &value);
==>
void valueChanged(const QString &key);

Task-number: QTCREATORBUG-863
Reviewed-by: Friedemann Kleint

Task-number: QTCREATORBUG-948
Reviewed-by: dt

Update terminology QML project becomes Qt Quick project. Add information about creating Qt Quick applications.

New screenshots added for sections Setting Up a qmake Project and Quick Tour along with minor corrections in the document