Modified to use the addPropertyNode method instead of addNode method(deprecated api). #555
Added the tip about new API and deprecated API(addNode). #555
Translated the tip about new API and deprecated API(addNode). #555
Merge pull request #601 from terasolunaorg/issues/555_replace-description-of-deprecated-api

Modified to use the addPropertyNode method instead of addNode method(deprecated api). #555