Fixed news atom feed to be valid

xsl/atom.xsl

@@ -41,8 +41,11 @@
         <xsl:for-each select="newsitem">
             <entry>
                 <link href="http://csclub.uwaterloo.ca"/>
+		<title><xsl:value-of select="."/></title>
                 <summary><xsl:value-of select="."/></summary>
                 <author><name><xsl:value-of select="@author"/></name></author>
+		<id>http://csclub.uwaterloo.ca/news/<xsl:value-of select="generate-id(.)"/></id>
+		<updated><xsl:value-of select="translate($g_datetime,' ','T')"/></updated>
             </entry>
         </xsl:for-each>
         <xsl:for-each select="eventitem">