Only instance the signingFetcherFactory if authz is set, also handle exceptions more gracefully with a 500 internal server error
Only instance the signingFetcherFactory if authz is set, also handle exceptions more gracefully with a 500 internal server error

git-svn-id: 3f2e04d30bd9db331bbfc569b45e7de8c0d84ef0@658771 13f79535-47bb-0310-9956-ffa450edef68

apache/shindig,apache/shindig,apparentlymart/shindig,apparentlymart/shindig,apache/shindig,apache/shindig,apparentlymart/shindig,apache/shindig,apparentlymart/shindig