Merge pull request #7 from canjs/update-to-latest-for-release

Updated to latest version from can-util/dom/ajax

Author: imaustink

.travis.yml

@@ -2,4 +2,6 @@ language: node_js
 node_js: node
 before_install:
   - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
+  - "sh -e /etc/init.d/xvfb start"
+addons:
+  firefox: "53.0"