workaround for moc namespaces issues

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
qml plugin and removing old code

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
updating examples

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>