Added debugging messages to help monitor expiry of inactive children.  Debug messages current #if 0'd out, but added now for future tests when required. 
Added debugging messages to help monitor expiry of inactive children.  Debug
messages current #if 0'd out, but added now for future tests when required. 


ghub/osg,artoolkit/osg,koshman86/osg,koshman86/osg,XiaoCC/osg,ghub/osg,koshman86/osg,ntoand/osg,stmh/osg,XiaoCC/osg,XiaoCC/osg,stmh/osg,omega-hub/osg,koshman86/osg,artoolkit/osg,ntoand/osg,omega-hub/osg,omega-hub/osg,stmh/osg,stmh/osg,XiaoCC/osg,ghub/osg,ghub/osg,stmh/osg,XiaoCC/osg,omega-hub/osg,ntoand/osg,ntoand/osg,artoolkit/osg,artoolkit/osg