Apply patch 08 from jboynes to improve cookie handling.
Encapsulate use of ALWAYS_ADD_EXPIRES as it only applies to Set-Cookie generation.
The patch should be safe since the logic is unchanged.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1596651 13f79535-47bb-0310-9956-ffa450edef68