Fixed QML bindings.

Register types in QML without namespace.

Task-number: QTBUG-29830

Change-Id: I03c40750b2b8ad4c079c0ea818e058fd5e0d18fb
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Andrew den Exter <andrew.den.exter@qinetic.com.au>