build CHANGE use Travis CI also on the devel branch
diff --git a/.travis.yml b/.travis.yml
index b60a76a..502860c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@
 branches:
   only:
     - master
+    - devel
     - coverity
 
 env: