moved XMLStreamWriterUtils to dmp-common package

Author: Thomas Gängler

src/main/java/org/dswarm/graph/xml/read/PropertyGraphXMLReader.java

@@ -50,6 +50,7 @@
 import org.dswarm.common.model.AttributePath;
 import org.dswarm.common.types.Tuple;
 import org.dswarm.common.web.URI;
+import org.dswarm.common.xml.utils.XMLStreamWriterUtils;
 import org.dswarm.graph.DMPGraphException;
 import org.dswarm.graph.gdm.read.PropertyGraphGDMReaderHelper;
 import org.dswarm.graph.index.NamespaceIndex;
@@ -61,7 +62,6 @@
 import org.dswarm.graph.versioning.Range;
 import org.dswarm.graph.versioning.VersioningStatics;
 import org.dswarm.graph.versioning.utils.GraphVersionUtils;
-import org.dswarm.graph.xml.utils.XMLStreamWriterUtils;
 
 /**
  * @author tgaengler