Roll Polymer to 1.3.1

third_party/polymer/v1_0/components-chromium/paper-radio-button/README.md

 
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-[![Build Status](https://travis-ci.org/PolymerElements/paper-radio-button.svg?branch=master)](https://travis-ci.org/PolymerElements/paper-radio-button)
+[![Build status](https://travis-ci.org/PolymerElements/paper-radio-button.svg?branch=master)](https://travis-ci.org/PolymerElements/paper-radio-button)
 
-_[Demo and API Docs](https://elements.polymer-project.org/elements/paper-radio-button)_
+_[Demo and API docs](https://elements.polymer-project.org/elements/paper-radio-button)_
 
 
 ##&lt;paper-radio-button&gt;
 
-
 Material design: [Radio button](https://www.google.com/design/spec/components/selection-controls.html#selection-controls-radio-button)
 
 `paper-radio-button` is a button that can be either checked or unchecked.
 User can tap the radio button to check or uncheck it.
 
 Use a `<paper-radio-group>` to group a set of radio buttons.  When radio buttons
 are inside a radio group, exactly one radio button in the group can be checked
 at any time.
 
 Example:
 
-    <paper-radio-button></paper-radio-button>
-    <paper-radio-button>Item label</paper-radio-button>
+```html
+<paper-radio-button></paper-radio-button>
+<paper-radio-button>Item label</paper-radio-button>
+```
 
 ### Styling
 
 The following custom properties and mixins are available for styling:
 
-Custom property | Description | Default
-----------------|-------------|----------
-`--paper-radio-button-unchecked-background-color` | Radio button background color when the input is not checked | `transparent`
-`--paper-radio-button-unchecked-color` | Radio button color when the input is not checked | `--primary-text-color`
-`--paper-radio-button-unchecked-ink-color` | Selected/focus ripple color when the input is not checked | `--primary-text-color`
-`--paper-radio-button-checked-color` | Radio button color when the input is checked | `--default-primary-color`
-`--paper-radio-button-checked-ink-color` | Selected/focus ripple color when the input is checked | `--default-primary-color`
-`--paper-radio-button-label-color` | Label color | `--primary-text-color`
-`--paper-radio-button-label-spacing` | Spacing between the label and the button | `10px`
+| Custom property | Description | Default |
+| --- | --- | --- |
+| `--paper-radio-button-unchecked-background-color` | Radio button background color when the input is not checked | `transparent` |
+| `--paper-radio-button-unchecked-color` | Radio button color when the input is not checked | `--primary-text-color` |
+| `--paper-radio-button-unchecked-ink-color` | Selected/focus ripple color when the input is not checked | `--primary-text-color` |
+| `--paper-radio-button-checked-color` | Radio button color when the input is checked | `--primary-color` |
+| `--paper-radio-button-checked-ink-color` | Selected/focus ripple color when the input is checked | `--primary-color` |
+| `--paper-radio-button-label-color` | Label color | `--primary-text-color` |
+| `--paper-radio-button-label-spacing` | Spacing between the label and the button | `10px` |
+
+This element applies the mixin `--paper-font-common-base` but does not import `paper-styles/typography.html`.
+In order to apply the `Roboto` font to this element, make sure you've imported `paper-styles/typography.html`.