Add notice about upcoming maintenance

news.xml

@@ -2,6 +2,10 @@
 
 <!DOCTYPE newdefs SYSTEM "csc.dtd" [<!ENTITY mdash "&#x2014;">]>
 <newsdefs>
+   <newsitem author="ztseguin" date="2016-02-09">
+      <p>Many of the Computer Science Club's systems and services will be unavailable for maintenance on Wednesday, February 17 from 11am to 5pm.</p>
+      <p>See <a href="https://csclub.uwaterloo.ca/newsgroup/article.php?id=12268&amp;group=uw.csc">the announcement</a> for more information.</p>
+   </newsitem>
 
    <newsitem author="ztseguin" date="2016-01-21">
     <p>The <a href="http://mirror.csclub.uwaterloo.ca">Computer Science Club Mirror</a> is now running on potassium-benzoate, our new server which was purchased with funding from the <a href="https://www.student.math.uwaterloo.ca/~mefcom/">Mathematics Endowment Fund (MEF)</a>. We have also enhanced our mirror's network connectivity, adding IPv6 and 10Gbps.</p>