NO-JIRA: Fix SSL bug causing all tests to fail.

Fixed bugs in the SSL configuration code that were causing all tests to fail.
The system_tests_two_routers_ssl test is still failing, there is a remaining problem.

git-svn-id: https://svn.apache.org/repos/asf/qpid/dispatch/trunk@1610530 13f79535-47bb-0310-9956-ffa450edef68