Add tomcat8 server.xml with raven valve configured
Add some missing directories to jenkins config
upgrade postgres client version on jenkins to 9.4
Revert "Use new stunnel module."

This is very broken. The 'new' stunnel module is a broken merge of a fork of our upstream with the original fork.

This reverts commit 294ba347eb27de80b3f72fc0c45d844fba197c94.
Revert stunnel module to a working version