Upgrade bundled Tomcat to the latest minor release

panel:bgColor=e7f4fa NOTE: This suggestion is for JIRA Server. Using JIRA Cloud? See the corresponding suggestion|http://jira.atlassian.com/browse/JRACLOUD-33563. panel Customer did a Security Scan on the instance and founded the version 5.1.8 that he is using subjected to security vulnerabilitie...