Add links about integration of JaCoCo into Codecov and Coveralls (#481)

diff --git a/org.jacoco.doc/docroot/doc/integrations.html b/org.jacoco.doc/docroot/doc/integrations.html
index 89c8f68..992417c 100644
--- a/org.jacoco.doc/docroot/doc/integrations.html
+++ b/org.jacoco.doc/docroot/doc/integrations.html
@@ -76,6 +76,14 @@
       <td>Java EE testing framework, <a href="http://arquillian.org/modules/jacoco-extension/">JaCoCo extension</a></td>
     </tr>
     <tr>
+      <td><a href="https://codecov.io/">Codecov</a></td>
+      <td>Web service to track code coverage, see <a href="https://github.com/codecov/example-java">example</a></td>
+    </tr>
+    <tr>
+      <td><a href="https://coveralls.io/">Coveralls</a></td>
+      <td>Web service to track code coverage, see <a href="https://github.com/trautonen/coveralls-maven-plugin">coveralls-maven-plugin</a></td>
+    </tr>
+    <tr>
       <td><a href="http://www.gradle.org/">Gradle</a></td>
       <td>Build System with JaCoCo plug-in, see <a href="http://www.gradle.org/docs/current/userguide/jacoco_plugin.html">documentation</a></td>
     </tr>