Refactor DN and RDN classes and improve their test coverage.

matthew_swift

03.39.2006 59685c84348f8d71dc3bbd3513c5eb10cc738a8e

 opends/src/server/org/opends/server/util/LDIFReader.java

@@ -580,7 +580,7 @@
    int length = line.length();
    if (colonPos == (length-1))
    {
      return new DN(new ArrayList<RDN>(0));
      return DN.nullDN();
    }

    if (line.charAt(colonPos+1) == ':')