Add scijava/incubator to footer table

Author: ctrueden

footer.html

@@ -70,6 +70,11 @@
 <td class="badge">-</td>
 </tr>
 <tr>
+<td><a href="https://github.com/scijava/incubator">scijava/incubator</a></td>
+<td class="badge"><a href="https://travis-ci.com/scijava/incubator"><img src="https://travis-ci.com/scijava/incubator.svg?branch=master"></a></td>
+<td class="badge"><a href="https://lgtm.com/projects/g/scijava/incubator/context:java"><img src="https://img.shields.io/lgtm/grade/java/g/scijava/incubator.svg"></a></td>
+</tr>
+<tr>
 <td><a href="https://github.com/scijava/javadoc.scijava.org">scijava/javadoc.scijava.org</a></td>
 <td class="badge"><a href="https://travis-ci.com/scijava/javadoc.scijava.org"><img src="https://travis-ci.com/scijava/javadoc.scijava.org.svg?branch=gh-pages"></a></td>
 <td class="badge">-</td>