fix build status badges in README, use the ones from Travis

README.rst

@@ -35,20 +35,12 @@ Related Python packages:
 
 *Build status overview:*
 
-* **master** branch *(Python 2.4, Python 2.6, Python 2.7)*
-
-  .. image:: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_master-python24/badge/icon
-      :target: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_master-python24/
-  .. image:: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_master/badge/icon
-      :target: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_master/  
-  .. image:: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_master-python27/badge/icon
-      :target: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_master-python27/ 
-
-* **develop** branch *(Python 2.4, Python 2.6, Python 2.7)*
-
-  .. image:: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_develop-python24/badge/icon
-      :target: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_develop-python24/  
-  .. image:: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_develop/badge/icon
-      :target: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_develop/  
-  .. image:: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_develop-python27/badge/icon
-      :target: https://jenkins1.ugent.be/view/EasyBuild/job/easybuild-easyblocks_unit-test_hpcugent_develop-python27/
+* **master** branch:
+
+  .. image:: https://travis-ci.org/hpcugent/easybuild-easyblocks.svg?branch=master
+      :target: https://travis-ci.org/hpcugent/easybuild-easyblocks/branches
+
+* **develop** branch:
+
+  .. image:: https://travis-ci.org/hpcugent/easybuild-easyblocks.svg?branch=develop
+      :target: https://travis-ci.org/hpcugent/easybuild-easyblocks/branches