use ruby 2.1.3 for travis

seuros · ddyy · commit d15e899bea43 · 2014-10-17T13:36:24.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: ruby
 rvm:
-- 2.1.2
+- 2.1.3
 bundler_args: "--without development production autotest"
 services:
 - mongodb
