move config route under dashboard

it's essentially giving info for various parts of the ui

dashboard/src/js/client.js

@@ -761,7 +761,7 @@ angular.module('Application').service('Client', ['$http', '$interval', '$timeout
      * Rest API wrappers
      */
     Client.prototype.config = function (callback) {
-        get('/api/v1/config', null, function (error, data, status) {
+        get('/api/v1/dashboard/config', null, function (error, data, status) {
             if (error) return callback(error);
             if (status !== 200 || typeof data !== 'object') return callback(new ClientError(status, data));
             callback(null, data);