doc/contrib.html: update links, mailing lists and link to 1.3 release note.

LGTM=adg
R=golang-codereviews, r, adg
CC=golang-codereviews
https://golang.org/cl/102020045

doc/contrib.html

@@ -37,16 +37,13 @@ We encourage all Go users to subscribe to
 A guide for updating your code to work with Go 1.
 </p>
 
-<h4 id="go1.1notes"><a href="/doc/go1.1">Go 1.1 Release Notes</a></h4>
+<h4 id="release notes"><a href="/doc/go1.1">Go 1.1 Release Notes</a></h4>
 <p>
-A list of significant changes in Go 1.1, with instructions for updating your
-code where necessary.
-</p>
-
-<h4 id="go1.2notes"><a href="/doc/go1.2">Go 1.2 Release Notes</a></h4>
-<p>
-A list of significant changes in Go 1.2, with instructions for updating your
-code where necessary.
+A list of significant changes in Go 1.1, with instructions for updating
+your code where necessary.
+Each point release includes a similar document appropriate for that
+release: <a href="/doc/go1.2">Go 1.2</a>, <a href="/doc/go1.3">Go 1.3</a>,
+and so on.
 </p>
 
 <h3 id="go1compat"><a href="/doc/go1compat">Go 1 and the Future of Go Programs</a></h3>
@@ -61,15 +58,22 @@ Go 1 matures.
 <h3 id="source"><a href="https://code.google.com/p/go/source">Source Code</a></h3>
 <p>Check out the Go source code.</p>
 
-<h3 id="golang-dev"><a href="http://groups.google.com/group/golang-dev">Developer Mailing List</a></h3>
-<p>The <a href="http://groups.google.com/group/golang-dev">golang-dev</a>
-mailing list is for discussing and reviewing code for the Go project.</p>
+<h3 id="golang-dev"><a href="https://groups.google.com/group/golang-dev">Developer</a> and
+<a href="https://groups.google.com/group/golang-codereviews">Code Review Mailing List</a></h3>
+<p>The <a href="https://groups.google.com/group/golang-dev">golang-dev</a>
+mailing list is for discussing code changes to the Go project.
+The <a href="https://groups.google.com/group/golang-codereviews">golang-codereviews</a>
+mailing list is for actual reviewing of the code changes (CLs).</p>
+
 <p>For general discussion of Go programming, see <a
-href="http://groups.google.com/group/golang-nuts">golang-nuts</a>.</p>
+href="https://groups.google.com/group/golang-nuts">golang-nuts</a>.</p>
 
-<h3 id="golang-checkins"><a href="http://groups.google.com/group/golang-checkins">Checkins Mailing List</a></h3>
+<h3 id="golang-checkins"><a href="https://groups.google.com/group/golang-checkins">Checkins Mailing List</a></h3>
 <p>A mailing list that receives a message summarizing each checkin to the Go repository.</p>
 
+<h3 id="golang-bugs"><a href="https://groups.google.com/group/golang-bugs">Bugs Mailing List</a></h3>
+<p>A mailing list that receives each update to the Go <a href="http://golang.org/issue">issue tracker</a>.</p>
+
 <h3 id="build_status"><a href="http://build.golang.org/">Build Status</a></h3>
 <p>View the status of Go builds across the supported operating
 systems and architectures.</p>
@@ -77,13 +81,13 @@ systems and architectures.</p>
 
 <h2 id="howto">How you can help</h2>
 
-<h3><a href="http://code.google.com/p/go/issues">Reporting issues</a></h3>
+<h3><a href="https://code.google.com/p/go/issues">Reporting issues</a></h3>
 
 <p>
 If you spot bugs, mistakes, or inconsistencies in the Go project's code or
 documentation, please let us know by
-<a href="http://code.google.com/p/go/issues/entry">filing a ticket</a>
-on our <a href="http://code.google.com/p/go/issues">issue tracker</a>.
+<a href="https://code.google.com/p/go/issues/entry">filing a ticket</a>
+on our <a href="https://code.google.com/p/go/issues">issue tracker</a>.
 (Of course, you should check it's not an existing issue before creating
 a new one.)
 </p>
@@ -102,8 +106,8 @@ To get started, read these <a href="/doc/contribute.html">contribution
 guidelines</a> for information on design, testing, and our code review process.
 </p>
 <p>
-Check <a href="http://code.google.com/p/go/issues">the tracker</a> for 
+Check <a href="https://code.google.com/p/go/issues">the tracker</a> for 
 open issues that interest you. Those labeled
-<a href="http://code.google.com/p/go/issues/list?q=status=HelpWanted">HelpWanted</a>
+<a href="https://code.google.com/p/go/issues/list?q=status=HelpWanted">HelpWanted</a>
 are particularly in need of outside help.
 </p>