.travis.yml in rom-yaml-0.3.0.rc1 vs .travis.yml in rom-yaml-0.3.0.rc2

@@ -18,5 +18,7 @@
     urls:
       - https://webhooks.gitter.im/e/39e1225f489f38b0bd09
     on_success: change
     on_failure: always
     on_start: false
+before_install:
+  - gem install bundler -v 1.10.6