doc/go1.2.html: some library changes (fmt, template)
Also link it to the landing page for docs.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/13652045
diff --git a/doc/docs.html b/doc/docs.html
index 2dcab5d..32ce1d6 100644
--- a/doc/docs.html
+++ b/doc/docs.html
@@ -88,6 +88,12 @@
 code where necessary.
 </p>
 
+<h3 id="go1.2notes"><a href="/doc/go1.2.html">Go 1.2 Release Notes</a></h3>
+<p>
+A list of significant changes in Go 1.2, with instructions for updating your
+code where necessary.
+</p>
+
 <h3 id="go1compat"><a href="/doc/go1compat.html">Go 1 and the Future of Go Programs</a></h3>
 <p>
 What Go 1 defines and the backwards-compatibility guarantees one can expect as