use sudo: false for container infrastructure on Travis

vincentwoo · vincentwoo · commit cc6d8389c01d · 2015-10-02T13:07:59.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,4 @@
+sudo: false
 language: ruby
 rvm:
   - 1.8.7
