Updates to Bob Carr and Kerry O'Brien's terms

Kerry O'Brien retired in 2011
http://parlinfo.aph.gov.au/parlInfo/search/display/display.w3p\;query\=%28Id:handbook/allmps/8o6%29\;rec\=0\;
Bob Carr resigned in 2011
http://parlinfo.aph.gov.au/parlInfo/search/display/display.w3p\;adv\=yes\;orderBy\=customrank\;page\=0\;query\=Id%3A%22handbook%2Fallmps%2FWX4%22\;rec\=0\;resCount\=Default