We now support android, update install info

www/index.html

@@ -36,19 +36,6 @@
   </p>
 </div>
 
-<div id="platform-instructions-android" class="instructions" style="display: none;">
-  <p>It looks like you are running Android.</p>
-  <p>
-    rustup does not run on Android directly (yet),
-    but it does make it easy to cross-compile <em>to</em> Android.
-    Install rustup on a supported host platform and
-    <a href="https://github.com/rust-lang-nursery/rustup.rs/#cross-compilation">
-      follow the cross-compilation instructions
-    </a>
-    to build Rust applications for Android.
-  </p>
-</div>
-
 <div id="platform-instructions-unknown" class="instructions" style="display: none;">
   <!-- unrecognized platform: ask for help -->
   <p>I don't recognize your platform.</p>

www/rustup.js

@@ -1,9 +1,5 @@
 var platform_override = null;
 
-function android_or_unix() {
-  return (navigator.appVersion.indexOf("Android") != -1) ? "android" : "unix";
-}
-
 function detect_platform() {
     "use strict";
 
@@ -14,11 +10,12 @@ function detect_platform() {
     var os = "unknown";
 
     if (navigator.platform == "Linux x86_64") {os = "unix";}
-    if (navigator.platform == "Linux i686") {os = android_or_unix();}
+    if (navigator.platform == "Linux i686") {os = "unix";}
     if (navigator.platform == "Linux i686 on x86_64") {os = "unix";}
-    if (navigator.platform == "Linux aarch64") {os = android_or_unix();}
-    if (navigator.platform == "Linux armv6l") {os = android_or_unix();}
-    if (navigator.platform == "Linux armv7l") {os = android_or_unix();}
+    if (navigator.platform == "Linux aarch64") {os = "unix";}
+    if (navigator.platform == "Linux armv6l") {os = "unix";}
+    if (navigator.platform == "Linux armv7l") {os = "unix";}
+    if (navigator.platform == "Linux armv8l") {os = "unix";}
     if (navigator.platform == "Linux ppc64") {os = "unix";}
     if (navigator.platform == "Linux mips") {os = "unix";}
     if (navigator.platform == "Linux mips64") {os = "unix";}
@@ -47,22 +44,18 @@ function adjust_for_platform() {
 
     var unix_div = document.getElementById("platform-instructions-unix");
     var win_div = document.getElementById("platform-instructions-win");
-    var android_div = document.getElementById("platform-instructions-android");
     var unknown_div = document.getElementById("platform-instructions-unknown");
     var default_div = document.getElementById("platform-instructions-default");
 
     unix_div.style.display = "none";
     win_div.style.display = "none";
-    android_div.style.display = "none";
     unknown_div.style.display = "none";
     default_div.style.display = "none";
 
     if (platform == "unix") {
         unix_div.style.display = "block";
     } else if (platform == "win") {
         win_div.style.display = "block";
-    } else if (platform == "android") {
-        android_div.style.display = "block";
     } else if (platform == "unknown") {
         unknown_div.style.display = "block";
     } else {
@@ -80,8 +73,6 @@ function cycle_platform() {
     } else if (platform_override == "win") {
         platform_override = "unix";
     } else if (platform_override == "unix") {
-        platform_override = "android";
-    } else if (platform_override == "android") {
         platform_override = "default";
     }
     adjust_for_platform();