Update favicon

modules/server/components/HomePage.js

@@ -26,7 +26,7 @@ class HomePage extends React.Component {
           <meta name="description" content="A fast, global content delivery network for stuff that is published to npm"/>
           <meta name="viewport" content="width=700,maximum-scale=1"/>
           <meta name="timestamp" content={(new Date).toISOString()}/>
-          <link rel="icon" href="/favicon.ico?v2"/>
+          <link rel="icon" href="/favicon.ico?v3"/>
           <title>unpkg</title>
           <script dangerouslySetInnerHTML={{ __html: "window.Promise || document.write('\\x3Cscript src=\"/es6-promise.min.js\">\\x3C/script>\\x3Cscript>ES6Promise.polyfill()\\x3C/script>')" }}/>
           <script dangerouslySetInnerHTML={{ __html: "window.fetch || document.write('\\x3Cscript src=\"/fetch.min.js\">\\x3C/script>')" }}/>