Docs: Add MIDI, Repo, and build numbers to home

Change-Id: I9b9d243074a55d2eee5b7c7835a3d3ff6c608f47
Bugs: 24007314, 24074405, 23976609
diff --git a/src/index.jd b/src/index.jd
index 930de21..8cedb88 100644
--- a/src/index.jd
+++ b/src/index.jd
@@ -42,6 +42,28 @@
   <div class="landing-docs">
     <div class="col-8">
     <h3>What's New</h3>
+<a href="{@docRoot}devices/audio/midi.html">
+        <h4>Audio MIDI Updates</h4></a>
+        <p><strong><a
+        href="{@docRoot}devices/audio/midi.html#usb-host">Audio MIDI</a></strong>
+        replaces former Tegra examples with generic changelists. And <strong><a
+        href="{@docRoot}devices/tech/config/kernel.html">Kernel
+        Configuration</a></strong> now contains the setting for USB host mode MIDI.</p>
+
+<a href="{@docRoot}source/downloading.html">
+        <h4>Repo Version 1.22 Checksum</h4></a>
+        <p>The <strong><a
+        href="{@docRoot}source/downloading.html#installing-repo">SHA-1 checksum
+        for Repo 1.22</a></strong> has been posted to enable verification and use of the latest
+        version of the tool.</p>
+
+<a href="{@docRoot}source/build-numbers.html">
+        <h4>Build Numbers for Nexus Devices</h4></a>
+        <p>New <strong><a
+        href="{@docRoot}source/build-numbers.html#source-code-tags-and-builds">build
+        tags and branches</a></strong> have been published for Nexus 4, Nexus 5, Nexus 6,
+        Nexus 7 (flo/deb), Nexus 9 (volantis/volantisg), Nexus 10, and Nexus Player.</p>
+
 <a href="{@docRoot}devices/tech/power/index.html">
         <h4>Power Reorganization and Additions</h4></a>
         <p>The previously singular Power page has been reorganized into a
@@ -69,30 +91,6 @@
         sections to better differentiate between setup and testing steps with the
         previous Performance Tuning renamed <strong><a
         href="{@docRoot}devices/tech/config/renderer.html">OpenGLRenderer</a></strong>.</p>
-
-<a href="{@docRoot}devices/tech/dalvik/configure.html">
-        <h4>Selectively Disabling Pre-optimization in ART</h4></a>
-        <p><strong><a
-        href="{@docRoot}devices/tech/dalvik/configure.html#product_dex_preopt_*">Configuring
-        ART</a></strong> now explains how to selectively disable pre-optimization of a
-        particular module or package and provides an example for
-        doing so.</p>
-
-<a href="{@docRoot}source/initializing.html">
-        <h4>USB Access Rules File Improvements</h4></a>
-        <p>The contents of the <strong><a
-        href="{@docRoot}source/51-android.rules">51-android.rules</a></strong>
-        file needed to configure USB access has been moved from being inline on
-        <strong><a
-        href="{@docRoot}source/initializing.html#configuring-usb-access">Establishing
-        a Build Environment</a></strong> to being a downloadable file accompanied by an
-        example command to update it programmatically.</p>
-
-<a href="{@docRoot}index.html">
-        <h4>Google Feedback Integration</h4></a>
-        <p>Now every source.android.com page contains a prominent <strong>Send
-        Feedback</strong> button in the footer so partners and the open source community may
-        directly convey their desired improvements to this site.</p>
     </div>
 
     <div class="col-8">