Fix xHook readyBody.response for latest AngularJs

A recent change in AngularJs broke xdomain resulting in an empty response
see [angular file changes](https://github.com/angular/angular.js/commit/a9cccbe14f1bd9048f5dab4443f58c804d4259a1#diff-fc6d3d48fd6597bd97d30eab9497841bR90)