node: rename from io.js to node

This commit replaces instances of io.js with Node.js, based on the
recent convergence. There are some remaining instances of io.js,
related to build and the installer.

Fixes: https://github.com/nodejs/node/issues/2361
PR-URL: https://github.com/nodejs/node/pull/2367
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: João Reis <reis@janeasystems.com>

doc/template.html

@@ -2,18 +2,18 @@
 <html lang="en">
 <head>
   <meta charset="utf-8">
-  <title>__SECTION__ io.js __VERSION__ Manual &amp; Documentation</title>
+  <title>__SECTION__ Node.js __VERSION__ Manual &amp; Documentation</title>
   <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Lato:400,700,400italic">
   <link rel="stylesheet" href="assets/style.css">
   <link rel="stylesheet" href="assets/sh.css">
-  <link rel="canonical" href="https://iojs.org/api/__FILENAME__.html">
+  <link rel="canonical" href="https://nodejs.org/api/__FILENAME__.html">
 </head>
 <body class="alt apidoc" id="api-section-__FILENAME__">
   <div id="content" class="clearfix">
     <div id="column2" class="interior">
       <div id="intro" class="interior">
         <a href="/" title="Go back to the home page">
-          io.js (1)
+          Node.js (1)
         </a>
       </div>
       __GTOC__
@@ -21,7 +21,7 @@
 
     <div id="column1" data-id="__ID__" class="interior">
       <header>
-        <h1>io.js __VERSION__ Documentation</h1>
+        <h1>Node.js __VERSION__ Documentation</h1>
         <div id="gtoc">
           <p>
             <a href="index.html" name="toc">Index</a> |