fluent/fluentd — pull request #311 by sonots (2014-04-30 09:31:04+00:00)
Title: Update travis.yml

Travis does not support ruby 2.1.0 anymore. We have to write as `2.1` or `2.1.*`.
See http://blog.travis-ci.com/2014-04-28-upcoming-build-environment-updates/