Align the AJP and HTTP connector implementations with the documented behaviour and use JVM defaults for socket linger.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1589666 13f79535-47bb-0310-9956-ffa450edef68
Fixed broken links to java.sun.com. Issue reported via comments.apache.org

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1589668 13f79535-47bb-0310-9956-ffa450edef68