add ruby 2.2 to travis matrix

Author: jhoblitt

.travis.yml

@@ -4,15 +4,18 @@ bundler_args: --without beaker
 rvm:
   - 1.8.7
   - 1.9.3
-  - 2.0.0
-  - 2.1.4
+  - 2.0
+  - 2.1
+  - 2.2
 env:
   - PUPPET_GEM_VERSION="~> 3.7"
   - PUPPET_GEM_VERSION="~> 4.0"
 matrix:
   exclude:
     - rvm: 1.8.7
       env: PUPPET_GEM_VERSION="~> 4.0"
+    - rvm: 2.2
+      env: PUPPET_GEM_VERSION="~> 3.7"
   fast_finish: true
 notifications:
   email: false