set seeAlso to originating DN

src/main/java/de/hsfulda/informatik/LdapSync.java

@@ -128,6 +128,7 @@ public class LdapSync {
 		    }
                     e.addAttribute(new Attribute("homeDirectory", String.format(properties.getProperty("sync.dst.home"), cn)));
                     e.addAttribute(new Attribute("userPassword", "{SASL}" + cn));
+                    e.addAttribute(new Attribute("seeAlso", s.getDN()));
 
                     return e;
                 }).collect(Collectors.toList());