add template for creating release note files.

doc/Release_notes/release_notes_template.shtml

+<!--#set var="banner" value="Release Notes: 18th October 2006"-->
+<!--#include virtual="/perl/header"-->
+<!--#set var="author" value="edgrif@sanger.ac.uk" -->
+
+
+<!-- This file is a template for creating release note files, you should copy this file
+     and fill in the blanks, marked with **. -->
+
+
+<h2>ZMap Release Notes For:  **Month Year**</h2>
+
+
+
+<h3>Request Tracker Tickets Resolved</h3>
+
+<PRE>
+</PRE>
+
+
+
+<h3>ZMap Changes/Fixes</h3>
+
+<pre>
+</pre>
+
+
+
+<h3>Acedb Changes/Fixes</h3>
+
+<pre>
+</pre>
+
+
+<!--#include virtual="/perl/footer"-->
+