Fix changelog.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1550612 13f79535-47bb-0310-9956-ffa450edef68
Fix the sample configuration of StaticMembershipInterceptor in order to prevent warning log. uniqueId must be 16 bytes.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1550616 13f79535-47bb-0310-9956-ffa450edef68