-When the ping timeouted, make sure that memberDisappeared method is not called by specifying the members that has already been removed.
-Add log message of session relocation when member disappeared.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1547333 13f79535-47bb-0310-9956-ffa450edef68