updated patch and jruby

Since jruby 9k release added that into the travis matrix and update ruby-2.2 patch version

Author: ferdinandrosario

.travis.yml

@@ -1,13 +1,14 @@
 language: ruby
 
 rvm:
-  - 2.2.0
+  - 2.2.2
   - 2.1.5
   - 2.1.4
   - 2.0.0
   - 1.9.3
   - ruby-head
   - jruby-1.7.19
+  - jruby-9.0.0.0
   - jruby-head
   - rbx-2