Update polymer 1.0 install to pick up newly added elements.

polymer_1.0.4/bower_components/iron-list/README.md

Index: polymer_1.0.4/bower_components/iron-list/README.md
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+iron-list
+========================
+
+`iron-list` displays a virtual, *'infinite'* list. The template inside
+the iron-list element represents the DOM to create for each list item.
+The `items` property specifies an array of list item data.
+
+For performance reasons, not every item in the list is rendered at once;
+instead a small subset of actual template elements *(enough to fill the viewport)*
+are rendered and reused as the user scrolls. As such, it is important that all
+state of the list template be bound to the model driving it, since the view may
+be reused with a new model at any time. Particularly, any state that may change
+as the result of a user interaction with the list item must be bound to the model
+to avoid view state inconsistency.
+
+__Important:__ `iron-list` must ether be explicitly sized, or delegate scrolling to an 
+explicitly sized parent. By "explicitly sized", we mean it either has an explicit
+CSS `height` property set via a class or inline style, or else is sized by other
+layout means (e.g. the `flex` or `fit` classes).
+
+### Template model
+
+List item templates should bind to template models of the following structure:
+
+```js
+{
+  index: 0,     // data index for this item
+  item: {       // user data corresponding to items[index]
+    /* user item data  */
+  }
+}
+```
+
+Alternatively, you can change the property name used as data index by changing the 
+`indexAs` property. The `as` property defines the name of the variable to add to the binding
+scope for the array.
+
+For example, given the following `data` array:
+
+##### data.json
+
+```js
+[
+  {"name": "Bob"},
+  {"name": "Tim"},
+  {"name": "Mike"}
+]
+```
+
+The following code would render the list (note the name and checked properties are
+bound from the model object provided to the template scope):
+
+```html
+<template is="dom-bind">
+  <iron-ajax url="data.json" last-response="{{data}}" auto></iron-ajax>
+  <iron-list items="[[data]]" as="item">
+    <template>
+      <div>
+        Name: <span>[[item.name]]</span>
+      </div>
+    </template>
+  </iron-list>
+</template>
+```