Cleanup of CHANGES.txt before cutting 4.0.0 branch
Cleanup of CHANGES.txt before cutting 4.0.0 branch

git-svn-id: 5a2ad27615d45e22b19cf6d1944dba824abfe66e@1208395 13f79535-47bb-0310-9956-ffa450edef68

apache/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,apache/bookkeeper,sijie/bookkeeper,fengshao0907/bookkeeper,rvenkatesh25/bookkeeper,sijie/bookkeeper,arvindkandhare/bookkeeper,sijie/bookkeeper,robindh/bookkeeper,merlimat/bookkeeper,abailly/bookkeeper,ivankelly/bookkeeper,fengshao0907/bookkeeper,twitter/bookkeeper,twitter/bookkeeper,arvindkandhare/bookkeeper,sijie/bookkeeper,arvindkandhare/bookkeeper,merlimat/bookkeeper,rvenkatesh25/bookkeeper,abailly/bookkeeper,ivankelly/bookkeeper,sijie/bookkeeper,abailly/bookkeeper,ivankelly/bookkeeper,twitter/bookkeeper,fengshao0907/bookkeeper,twitter/bookkeeper,apache/bookkeeper,rvenkatesh25/bookkeeper,apache/bookkeeper,arvindkandhare/bookkeeper,robindh/bookkeeper,merlimat/bookkeeper,robindh/bookkeeper,sijie/bookkeeper,apache/bookkeeper,fengshao0907/bookkeeper,apache/bookkeeper