loginConfirmed: updater returns false to ignore request

allow the request to be ignored from "retrying" when loginConfirmed's updater function returns ``false``

Author: migajek

src/http-auth-interceptor.js

@@ -122,7 +122,10 @@
        */
       retryAll: function(updater) {
         for (var i = 0; i < buffer.length; ++i) {
-          retryHttpRequest(updater(buffer[i].config), buffer[i].deferred);
+          var _cfg = updater(buffer[i].config);
+          if (_cfg === false)
+            continue;
+          retryHttpRequest(_cfg, buffer[i].deferred);
         }
         buffer = [];
       }