update travis to new infrastructure

arlimus · arlimus · commit 5cf96334ba79 · 2016-02-24T16:23:56.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,8 @@
+sudo: false
+cache: bundler
+
 rvm:
   - 1.9.3
   - 2.0.0
+  - 2.2.0
 language: ruby
