Add ruby 2.2.0 and head for travis

drbrain · drbrain · commit 68ebf5c01807 · 2014-11-25T14:30:23.000-08:00
diff --git a/.travis.yml b/.travis.yml
@@ -13,6 +13,8 @@ rvm:
 - 1.9.3
 - 2.0.0
 - 2.1.0
+- 2.2.0
+- ruby-head
 script: rake travis
 matrix:
   allow_failures:
