Fixes PL-1 added ability to disable team creation

docker/0.6/config_docker.json

@@ -94,6 +94,7 @@
         "HelpLink": "/static/help/configure_links.html",
         "ReportProblemLink": "/static/help/configure_links.html",
         "TourLink": "/static/help/configure_links.html",
-        "DefaultThemeColor": "#2389D7"
+        "DefaultThemeColor": "#2389D7",
+        "DisableTeamCreation": true
     }
 }