Fix up CHANGES.txt to acturately reflect what made it into the Hadoop 0.20.0 release
Fix up CHANGES.txt to acturately reflect what made it into the Hadoop 0.20.0 release

git-svn-id: 5be3658b1da2303116c04834c161daea58df9cc4@768012 13f79535-47bb-0310-9956-ffa450edef68

toddlipcon/hadoop,toddlipcon/hadoop,toddlipcon/hadoop,toddlipcon/hadoop,toddlipcon/hadoop,toddlipcon/hadoop,toddlipcon/hadoop,toddlipcon/hadoop,toddlipcon/hadoop