process tutorial into new format

R=rsc
DELTA=161  (57 added, 56 deleted, 48 changed)
OCL=34926
CL=34929

doc/go_tutorial.head

+<div id="content">
+<h1 id="Lets_Go">Let's Go</h1> 
+
+  <!-- The Table of Contents is automatically inserted in this <div>.
+       Do not delete this <div>. -->
+  <div id="nav"></div>
+
+<h2>Introduction</h2>

doc/go_tutorial.html

-<h1>Let's Go</h1>
-<p>
-Rob Pike
-<p>
-<hr>
-(March 18, 2009)
-<p>
+<h1 id="Lets_Go">Let's Go</h1> 
+
+  <!-- The Table of Contents is automatically inserted in this <div>.
+       Do not delete this <div>. -->
+  <div id="nav"></div>
+
+<h2>Introduction</h2>
 <p>
 This document is a tutorial introduction to the basics of the Go systems programming
 language, intended for programmers familiar with C or C++. It is not a comprehensive
@@ -12,13 +12,13 @@ guide to the language; at the moment the document closest to that is the draft
 specification:
 <p>
 <pre>
-    /doc/go_spec.html
+    http://go/go/doc/go_spec.html
 
 </pre>
 To check out the compiler and tools and be ready to run Go programs, see
 <p>
 <pre>
-    /doc/go_setup.html
+    http://go/go/doc/go_setup.html
 
 </pre>
 The presentation proceeds through a series of modest programs to illustrate

doc/go_tutorial.txt

 Let's Go
 ----
 
-Rob Pike
-
-----
-(March 18, 2009)
-
-
 This document is a tutorial introduction to the basics of the Go systems programming
 language, intended for programmers familiar with C or C++. It is not a comprehensive
 guide to the language; at the moment the document closest to that is the draft
 specification:
 
-	/doc/go_spec.html
+	http://go/go/doc/go_spec.html
 
 To check out the compiler and tools and be ready to run Go programs, see
 
-	/doc/go_setup.html
+	http://go/go/doc/go_setup.html
 
 The presentation proceeds through a series of modest programs to illustrate
 key features of the language.  All the programs work (at time of writing) and are