add click handler to every message row

git-svn-id: https://svn.apache.org/repos/asf/james/hupa/trunk@1522264 13f79535-47bb-0310-9956-ffa450edef68
prepare for place management and history controller

git-svn-id: https://svn.apache.org/repos/asf/james/hupa/trunk@1522265 13f79535-47bb-0310-9956-ffa450edef68