Add ssl support to gearman / gearman_server

Enable SSL support for gearman. We also created an new SSLZuulBaseTest
class to provide a simple way to use SSL end to end where possible. A
future patch will enable support in zookeeper.

Change-Id: Ia8b89bab475d758cc6a021988f8d79ead8836a9d
Signed-off-by: Paul Belanger <pabelanger@redhat.com>
diff --git a/tests/fixtures/gearman/client.key b/tests/fixtures/gearman/client.key
new file mode 100644
index 0000000..656cfc7
--- /dev/null
+++ b/tests/fixtures/gearman/client.key
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----