

<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../iron-ajax/iron-ajax.html">

<script>
/*
`<iron-form>` is an HTML `<form>` element that can validate and submit any custom
elements that implement `Polymer.IronFormElementBehavior`, as well as any
native HTML elements. For more information on which attributes are
available on the native form element, see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/form

It supports both `get` and `post` methods, and uses an `iron-a