HORN-5 Mail archives on website

Added a link to the mail archives on the website
diff --git a/community.html b/community.html
index 0390c9c..c80c191 100755
--- a/community.html
+++ b/community.html
@@ -91,7 +91,7 @@
 	<h2>Mailing Lists</h2>
 	<p> The following mailing lists can be used to get help with Horn.</p>
 	<ul>
-	<li> <a href="mailto:dev@horn.incubator.apache.org">horn.incubator.apache.org</a> is for people to contribute code to Horn (<a href="mailto:dev-subscribe@horn.incubator.apache.org">subcribe</a>) (<a href="mailto:dev-unsubscribe@horn.incubator.apache.org">unsubcribe</a>)
+	<li> <a href="mailto:dev@horn.incubator.apache.org">horn.incubator.apache.org</a> is for people to contribute code to Horn (<a href="mailto:dev-subscribe@horn.incubator.apache.org">subcribe</a>) (<a href="mailto:dev-unsubscribe@horn.incubator.apache.org">unsubcribe</a>)(<a href="http://mail-archives.apache.org/mod_mbox/incubator-horn-dev/">archive</a>)
 	</ul>
 	<h2>Issue Tracking</h2>
     <ul><li type="circle"><a href="https://issues.apache.org/jira/browse/HORN/" target="_blank">Horn JIRA</li></ul>