Specify Ruby 2.2.1 for travis-ci

because Travis CI is still using Ruby 2.2.0 when we specify 2.2. Normally, the image mirror for 2.2 should have been upgraded to 2.2.1, but it’s not been the case for some time now.
2015-03-26 10:40:57 +05:30 · 2015-03-26 10:40:57 +05:30 · c1a20da558
parent 99fa9be06a
commit c1a20da558
1 changed files with 1 additions and 1 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -5,7 +5,7 @@ language: ruby
 sudo: false

 rvm:
-  - 2.2
+  - 2.2.1
  - 2.1
  - 2.0
  - 1.9