Extract "validation" tests into separate modules (#711)

diff --git a/org.jacoco.doc/docroot/doc/changes.html b/org.jacoco.doc/docroot/doc/changes.html
index 02dc8cb..daca307 100644
--- a/org.jacoco.doc/docroot/doc/changes.html
+++ b/org.jacoco.doc/docroot/doc/changes.html
@@ -49,6 +49,8 @@
   <li>Improved error message when already instrumented classes are used for
       instrumentation or analysis
       (GitHub <a href="https://github.com/jacoco/jacoco/issues/703">#703</a>).</li>
+  <li>JaCoCo build now requires at least Maven 3.3.9 and JDK 8
+      (GitHub <a href="https://github.com/jacoco/jacoco/issues/711">#711</a>).</li>
 </ul>
 
 <h3>API Changes</h3>