Changelog entry for r1602381

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1602455 13f79535-47bb-0310-9956-ffa450edef68
Add changelog entry for r1602243 and similar earlier changes.
That change was a backport of r1597982.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1602459 13f79535-47bb-0310-9956-ffa450edef68