<a href="http://www.google.com/design/spec/components/text-fields.html#text-fields-single-line-text-field">Single line text field</a>

`paper-input` is a single-line text field for user input. It is a convenience element composed of
a `paper-input-decorator` and a `input is="core-input"`.

Example:

    <paper-input label="Your Name"></paper-input>

If you need more control over the `input` element, use `paper-input-decorator`.

Theming
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`paper-input` can be styled similarly to `paper-input-decorato