modified the config to own the connectionPool, transport, and a few other objects

src/api/indices/get_settings.js

@@ -1,5 +1,4 @@
 var _ = require('../../lib/utils'),
-  paramHelper = require('../../lib/param_helper'),
   errors = require('../../lib/errors'),
   q = require('q');
 
@@ -11,16 +10,22 @@ var _ = require('../../lib/utils'),
  * @param {Object} params - An object with parameters used to carry out this action
  */
 function doIndicesGetSettings(params, cb) {
-  params = params || {};
+  if (typeof params === 'function') {
+    cb = params;
+    params = {};
+  } else {
+    params = params || {};
+    cb = typeof cb === 'function' ? cb : _.noop;
+  }
 
   var request = {
-      ignore: params.ignore
-    }
-    , parts = {}
-    , query = {}
-    , responseOpts = {};
+      ignore: params.ignore,
+      method: 'GET'
+    },
+    parts = {},
+    query = {},
+    responseOpts = {};
 
-  request.method = 'GET';
 
   // find the paths's params
   if (typeof params.index !== 'undefined') {