Docs: Revisions to top DAC landing page and several Preview-page revisions.

Top landing page now has a link direct to Preview 2.
The "Program Overview" now explicitly mentions that Preview 2 is available,
and is updated so that it no longer refers to Previews 1 and 2 in the future
tense. "Support" page is renamed to "Support and Release Notes."
TOC revised to reflect new page name. Direct links to Preview 2 are added
to the respective languages' Preview landing pages.

Change-Id: Ic463b123b25224b7064b4771faa79bdfe63e9ff5

4 files changed, 40 insertions, 7 deletions

diff --git a/docs/html/index.jd b/docs/html/index.jd
index 794494e..c6dbbd5 100644
--- a/docs/html/index.jd
+++ b/docs/html/index.jd
@@ -26,10 +26,16 @@ page.customHeadTag=<meta name="google-site-verification" content="sa-bIAI6GKvct3
         <p class="dac-hero-description">Get your apps ready for the next version
         of Android. Test on Nexus 5, 6, 9, and Player. </p>
 
-        <a class="dac-hero-cta" href="{@docRoot}preview/overview.html">
+        <a class="dac-hero-cta" href="{@docRoot}preview/index.html">
           <span class="dac-sprite dac-auto-chevron"></span>
           Get started
+        </a><br>
+
+        <a class="dac-hero-cta" href="{@docRoot}preview/support.html">
+          <span class="dac-sprite dac-auto-chevron"></span>
+          Update to Developer Preview 2
         </a>
+
       </div>
     </div>
   </div>
diff --git a/docs/html/preview/overview.jd b/docs/html/preview/overview.jd
index 36b177d..a19c926 100644
--- a/docs/html/preview/overview.jd
+++ b/docs/html/preview/overview.jd
@@ -5,6 +5,33 @@ page.tags="preview", "developer", "android"
 
 @jd:body
 
+<div class="cols" style=
+"background-color:#ffebc3; padding: 5px 0;margin-bottom:1em; text-align:center;">
+<h3>
+    Developer Preview 2 is now available
+  </h3>
+
+ <ul class="dac-section-links">
+    <li class="dac-section-link">
+      <a href="#preview2-notes">
+      <span class="dac-sprite dac-auto-chevron"></span>
+      Read the Notes</a>
+    </li>
+
+    <li class="dac-section-link">
+      <a href="#preview2-get">
+      <span class="dac-sprite dac-auto-chevron"></span>
+      Get the Update</a>
+    </li>
+
+    <li class="dac-section-link">
+      <a href="https://code.google.com/p/android-developer-preview/">
+      <span class="dac-sprite dac-auto-chevron"></span>
+      Report Issues</a>
+    </li>
+  </ul>
+</div>
+
 <p>
   Welcome to the <strong>Android M Developer Preview</strong>, a program that gives you
   everything you need to test and optimize your apps for the next version of
@@ -128,15 +155,15 @@ page.tags="preview", "developer", "android"
 
 <ul>
   <li>
-    <strong>Preview&nbsp;1</strong> (initial Preview release, late May),
+    <strong><a href="{@docRoot}preview/download_mp1.html">Preview&nbsp;1</a></strong> (available).
   </li>
 
   <li>
-    <strong>Preview&nbsp;2</strong> (late June/early July), and
+    <strong><a href="{@docRoot}preview/download.html">Preview&nbsp;2</a></strong> (available).
   </li>
 
   <li>
-    <strong>Preview&nbsp;3</strong> (near final, late July)
+    <strong>Preview&nbsp;3</strong> (near final, late July).
   </li>
 </ul>
 
diff --git a/docs/html/preview/preview_toc.cs b/docs/html/preview/preview_toc.cs
index 5cc2159..83f69a4 100644
--- a/docs/html/preview/preview_toc.cs
+++ b/docs/html/preview/preview_toc.cs
@@ -126,7 +126,7 @@
 
   <li class="nav-section">
     <div class="nav-section-header empty"><a href="<?cs var:toroot ?>preview/support.html">
-      Support</a></div>
+      Support & Release Notes</a></div>
   </li>
 
   <li class="nav-section">
diff --git a/docs/html/preview/support.jd b/docs/html/preview/support.jd
index 8a73481..8792f77 100644
--- a/docs/html/preview/support.jd
+++ b/docs/html/preview/support.jd
@@ -1,4 +1,4 @@
-page.title=Support
+page.title=Support and Release Notes
 page.tags="preview", "developer preview"
 page.image=images/cards/card-support_16-9_2x.png
 
@@ -14,7 +14,7 @@ page.image=images/cards/card-support_16-9_2x.png
     <li class="dac-section-link">
       <a href="#preview2-notes">
       <span class="dac-sprite dac-auto-chevron"></span>
-      Release notes</a>
+      Read the Notes</a>
     </li>
 
     <li class="dac-section-link">