update qualityAde.xsd

public/0.1/qualityAde.xsd

 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:qual="http://www.sig3d.org/citygml/2.0/qual/0.1"
-	targetNamespace="http://www.sig3d.org/citygml/2.0/qual/0.1" xmlns:core="http://www.opengis.net/citygml/2.0"
+<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:qual="https://transfer.hft-stuttgart.de/pages/qualityade/0.1"
+	targetNamespace="https://transfer.hft-stuttgart.de/pages/qualityade/0.1" xmlns:core="http://www.opengis.net/citygml/2.0"
 	xmlns:bldg="http://www.opengis.net/citygml/building/2.0" xmlns:gml="http://www.opengis.net/gml"
 	elementFormDefault="qualified" version="1.0">
 	<import namespace="http://www.opengis.net/citygml/2.0"