Update link for latest Windows binaries and copyright year

Author: pbatard

index.html

@@ -19,8 +19,8 @@
       <li><a href="https://sourceforge.net/projects/libusb/files/">Downloads</a>
         <ul>
           <li><a href="https://sourceforge.net/projects/libusb/files/latest/download?source=files">Latest Source (tarball)</a></li>
-          <li><a href="https://sourceforge.net/projects/libusb/files/libusb-1.0/libusb-1.0.20/libusb-1.0.20.7z/download">Latest Windows Binaries</a></li>
-          <li><a href="http://sourceforge.net/projects/libusb/files/libusb-1.0/">Other Releases</a></li>
+          <li><a href="https://sourceforge.net/projects/libusb/files/libusb-1.0/libusb-1.0.21/libusb-1.0.21.7z/download">Latest Windows Binaries</a></li>
+          <li><a href="https://sourceforge.net/projects/libusb/files/libusb-1.0/">Other Releases</a></li>
         </ul>
       </li>
       <li><a href="http://libusb.sourceforge.net/api-1.0/">Documentation</a>
@@ -54,7 +54,7 @@ <h2>Overview</h2>
     <p><b>libusb</b> is a C library that provides generic access to USB devices. It is intended to be used by developers to facilitate the production of applications that communicate with USB hardware.</p>
     <p>It is <b>portable</b>: Using a single cross-platform API, it provides access to USB devices on Linux, OS&nbsp;X, Windows, Android, OpenBSD, etc.</p>
     <p>It is <b>user-mode</b>: No special privilege or elevation is required for the application to communicate with a device.</p>
-    <p>It is <b>version-agnostic</b>: All versions of the USB protocol, from 1.0 to 3.0 (latest), are supported.</p>
+    <p>It is <b>version-agnostic</b>: All versions of the USB protocol, from 1.0 to 3.1 (latest), are supported.</p>
     <h2>What platforms are supported?</h2>
     <p>Linux, OS X, Windows, Windows CE, Android, OpenBSD/NetBSD, Haiku.</p>
     <h2>Sounds good! How do I get started?</h2>
@@ -69,7 +69,7 @@ <h2>What happened to the old site?</h2>
     <p><b>For additional information, please consult the <a href="https://github.com/libusb/libusb/wiki/FAQ">FAQ</a> or the <a href="https://github.com/libusb/libusb/wiki">Wiki</a>.</b></p>
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-    Copyright © 2012-2015 libusb<br/>
+    Copyright © 2012-2017 libusb<br/>
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