.travis.yml in whirly-0.2.5 vs .travis.yml in whirly-0.2.6

@@ -2,25 +2,20 @@
 language: ruby
 
 script: bundle exec ruby spec/whirly_spec.rb
 
 rvm:
-- 2.3.0
+- 2.4.2
+- 2.3.4
 - 2.2
 - 2.1
 - 2.0
 - ruby-head
-- rbx-2
 - jruby-head
-- jruby-9000
+- jruby-9.1.13.0
 
 cache:
 - bundler
 
-# matrix:
-#   fast_finish: true
-
 matrix:
   allow_failures:
     - rvm: jruby-head
-    - rvm: jruby-9000
-    - rvm: rbx-2