Merge pull request #150 from canjs/landscaper/qunit2

Landscaper: QUnit2 upgrade

Author: cherifGsoul

.travis.yml

@@ -1,7 +1,6 @@
 language: node_js
 node_js: node
-before_install:
-  - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
+services:
+  - xvfb
 addons:
   firefox: '51.0'