[wwwdocs] Rotate news

[Gerald Pfeifer <gerald@pfeifer.com>]

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...so that we show items from the last 12 months.

As a nice side effect this balances the columns on main page out 
more evenly.

Applied.

Gerald

Index: index.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/index.html,v
retrieving revision 1.1044
diff -u -r1.1044 index.html
--- index.html	8 Feb 2017 21:43:47 -0000	1.1044
+++ index.html	26 Feb 2017 13:23:54 -0000
@@ -89,17 +89,6 @@
     <span class="date">[2016-04-27]</span></dt>
     <dd></dd>
 
-<dt><span> Heterogeneous Systems Architecture support</span>
-     <span class="date">[2016-01-27]</span></dt>
-     <dd><a href="http://www.hsafoundation.com/"> Heterogeneous Systems
-     Architecture 1.0</a> <a href="https://gcc.gnu.org/gcc-6/changes.html#hsa">
-     support was added to GCC</a>, contributed by Martin Jambor, Martin Liška
-     and Michael Matz from SUSE.</dd>
-
-<dt><span><a href="gcc-5/">GCC 5.3</a> released</span>
-    <span class="date">[2015-12-04]</span></dt>
-    <dd></dd>
-
 </dl>
 
 <div>
Index: news.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/news.html,v
retrieving revision 1.157
diff -u -r1.157 news.html
--- news.html	30 Jan 2017 21:24:21 -0000	1.157
+++ news.html	26 Feb 2017 13:23:54 -0000
@@ -14,6 +14,17 @@
 
 <!-- ATTENTION: This page is for *OLD* news!  Latest news goes first. -->
 
+<dt><span> Heterogeneous Systems Architecture support</span>
+     <span class="date">[2016-01-27]</span></dt>
+     <dd><a href="http://www.hsafoundation.com/"> Heterogeneous Systems
+     Architecture 1.0</a> <a href="https://gcc.gnu.org/gcc-6/changes.html#hsa">
+     support was added to GCC</a>, contributed by Martin Jambor, Martin Liška
+     and Michael Matz from SUSE.</dd>
+
+<dt><span><a href="gcc-5/">GCC 5.3</a> released</span>
+    <span class="date">[2015-12-04]</span></dt>
+    <dd></dd>
+
 <dt><span><a href="gcc-5/">GCC 5.2</a> released</span>
     <span class="date">[2015-07-16]</span></dt>
     <dd></dd>