Update .travis.yml

Author: seuros

.travis.yml

@@ -1,10 +1,11 @@
 language: ruby
 rvm:
-  - 1.9.3
+  - 2.2
   - 2.0.0
-  - 2.1.0
+  - 2.1
+  - 1.9.3
   - rbx-2
-  - jruby-19mode
+  - jruby
 script: "bundle exec rake spec:all"
 before_install:
  - sudo apt-get update