added link back to the article: https://www.baeldung.com/java-httpservletrequest-mock
added link back to the article: https://www.baeldung.com/servlets-jsp-check-user-login
* BAEL-2080 - Check if a user is logged-in with Servlets and JSP * new module: javax-servlets-2 * adding javax-servlets-2 to the parent pom. * adding module javax-servlets-2 to all profiles