Cleaning up source.android.com files.

This change fixes some formatting artifacts that resulted from the export from
Sites, and also updates links to no longer point to Sites and use the standard
{@docRoot} idiom. Also contains a few content updates, and introduces a page
about branch management.
diff --git a/pdk/docs/source/documentation.jd b/pdk/docs/source/documentation.jd
index 8be5701..4eae071 100644
--- a/pdk/docs/source/documentation.jd
+++ b/pdk/docs/source/documentation.jd
@@ -1,14 +1,12 @@
-page.title=Android Compatibility - Compatibility Test Suite
+page.title=Documentation Resources
 doc.type=source
 @jd:body
-<h3><b>Documentation</b>
-</h3>
-<div><p>

+<div><p>
               As this page grows, it will include resources for wireless operators and handset manufacturers as well as for platform developers.<br></p>
 <h3> 
-Resources for platform developers

+Resources for platform developers
             </h3>
-

+
             Google I/O videos:<br><ul><li><a href="http://sites.google.com/site/io/an-introduction-to-android">Introduction to Android</a>
 <img src="{@docRoot}images/documentation-0.png">
 <br></li>
@@ -22,21 +20,21 @@
 <img src="{@docRoot}images/documentation-0.png">
 </li>
 </ul>
-

+
             Getting started with the Android source code:<br><ul><li><a href="http://source.android.com/download">Get source</a>
 </li>
 <li><a href="http://source.android.com/submit-patches/code-style-guide">Code Style Guide</a>
 <br></li>
 </ul>
-

+
             Repo and Git resources:<br><ul><li><a href="http://source.android.com/download/using-repo#TOC-Git-and-Repo-cheatsheet">Git and Repo cheat sheet</a>
 </li>
-<li><a href="http://source.android.com/download/using-repo">Using Repo and Git<br></a>
+<li><a href="http://source.android.com/download/using-repo">Using Repo and Git <br></a>
 </li>
-<li>

-                The<a href="http://book.git-scm.com/">Git Community Book</a>
+<li>
+                The <a href="http://book.git-scm.com/">Git Community Book</a>
 <img src="{@docRoot}images/documentation-0.png">
-maintained by Scott Chacon<br></li>
+maintained by Scott Chacon <br></li>
 <li><a href="http://git.or.cz/gitwiki/FrontPage">GitWiki</a>
 <img src="{@docRoot}images/documentation-0.png">
 </li>
@@ -45,12 +43,12 @@
 </li>
 <li><a href="http://www.gitcasts.com/">GitCasts</a>
 <img src="{@docRoot}images/documentation-0.png">
-(Git how-to videos)

+(Git how-to videos)
               </li>
 </ul>
-

+
             Documentation on specific tasks:<br><ul><li><a href="http://source.android.com/documentation/building-for-dream">Building for Dream</a>
-(Android Developer Phone 1)

+(Android Developer Phone 1)
               </li>
 </ul>
 </div>