Support DOCM file type about npoi HOT 2 OPEN

          pkg.GetPackageProperties().SetCreatorProperty(DOCUMENT_CREATOR);
          return pkg;
       }
       catch (Exception e)
       {
           throw new POIXMLException(e);
       }
  }

    /**
     * A map to lookup POIXMLRelation by its relation type
     */
    private static Dictionary<String, XWPFRelation> _table = new Dictionary<String, XWPFRelation>();


    public static XWPFRelation DOCUMENT = new XWPFRelation(
            "application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml",
        "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
        "/word/document.xml",
            null
    );
    public static XWPFRelation TEMPLATE = new XWPFRelation(
          "application/vnd.openxmlformats-officedocument.wordprocessingml.template.main+xml",
      "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
      "/word/document.xml",
          null
    );
    public static XWPFRelation MACRO_DOCUMENT = new XWPFRelation(
            "application/vnd.ms-word.document.macroEnabled.main+xml",
        "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
        "/word/document.xml",
            null
    );