Trying to run travis on the new infrastructure (containers) by settin…

…g sudo: false.

http://docs.travis-ci.com/user/migrating-from-legacy/?utm_source=legacy-notice&utm_medium=banner&utm_campaign=legacy-upgrade

.travis.yml

@@ -1,4 +1,4 @@
-sudo: required
+sudo: false
 language: node_js
 node_js:
   - "0.12"