QmlDesigner.PropertyEditor: Fix UrlChooser

Change-Id: I1bfc3eb63185f188e7d896f98a635b0b81b94d89
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner.PropertyEditor: Remove print

Change-Id: Iede444df7a4d63db67c459ac6608b47ae33aba12
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>