Update docker integration tests to use golem

Use registry example from golem repository.
Use the golem test runner for the docker integration environment

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)

contrib/docker-integration/nginx/nginx.conf

@@ -25,3 +25,37 @@ http {
     include /etc/nginx/conf.d/*.conf;
 }
 
+# Setup TCP proxies
+stream {
+  # Malevolent proxy
+  server {
+    listen     6666;
+    proxy_pass malevolent:6666;
+  }
+
+  # Registry configured for token server
+  server {
+    listen     5554;
+    listen     5555;
+    proxy_pass registryv2token:5000;
+  }
+
+  # Token server
+  server {
+    listen     5556;
+    proxy_pass tokenserver:5556;
+  }
+
+  # Registry configured for token server with oauth
+  server {
+    listen     5557;
+    listen     5558;
+    proxy_pass registryv2tokenoauth:5000;
+  }
+
+  # Token server with oauth
+  server {
+    listen     5559;
+    proxy_pass tokenserveroauth:5559;
+  }
+}