add missing </tr>

Author: josef-pkt

index.html

@@ -561,6 +561,7 @@ <h2>Project Ideas</h2>
            <a href="https://github.com/statsmodels/statsmodels/wiki/Google-Summer-of-Code-2017">Ideas Page</a>
    </td>
    <tr><td colspan="2" class="good">Status: Ideas page in progress</td></tr>
+</tr>
 </table>
 
 <a name="schedule" />