memcached+tomcat7 session共享用到的jar包:javolution-5.5.1.jar,kryo-1.03.jar,kryo-serializers-0.10.jar,memcached-2.5.jar,memcached-session-manager-1.5.1.jar,memcached-session-manager-tc7-1.5.1.jar，minlog-1.2.jar，msm-javolution-serializer-1.5.1.jar，msm-kryo