8169631: [JAXP] XALAN: transformation of XML via namespace-unaware SAX input yields a different result than namespace-unaware DOM input
Reviewed-by: joehw

8081392: getNodeValue should return 'null' value for Element nodes
Reviewed-by: joehw

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com