add getHnodeObject() method

git-svn-id: https://ncisvn.nci.nih.gov/svn/geworkbench/trunk/geworkbench@10949 8b29bb6e-589a-435a-9a12-3ab907be3462
change for web services

git-svn-id: https://ncisvn.nci.nih.gov/svn/geworkbench/trunk/geworkbench@10950 8b29bb6e-589a-435a-9a12-3ab907be3462
change for web services

git-svn-id: https://ncisvn.nci.nih.gov/svn/geworkbench/trunk/geworkbench@10951 8b29bb6e-589a-435a-9a12-3ab907be3462