Add polymer 1.0 to npm_modules

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

Index: polymer_1.0.4/bower_components/iron-signals/README.md
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+iron-signals
+============
+
+`iron-signals` provides basic publish-subscribe functionality.
+
+Note: avoid using `iron-signals` whenever you can use
+a controller (parent element) to mediate communication
+instead.
+
+To send a signal, fire a custom event of type `iron-signal`, with
+a detail object containing `name` and `data` fields.
+
+```javascript
+this.fire('iron-signal', {name: 'hello', data: null});
+```
+
+To receive a signal, listen for `iron-signal-<name>` event on a
+`iron-signals` element.
+
+```html
+<iron-signals on-iron-signal-hello="helloSignal">
+```
+
+You can fire a signal event from anywhere, and all
+`iron-signals` elements will receive the event, regardless
+of where they are in DOM.