.travis.yml in assert_dirs_equal-0.2.0 vs .travis.yml in assert_dirs_equal-0.3.0

@@ -1,9 +1,10 @@
 language: ruby
 rvm:
-  - 1.9.3
   - 2.0.0
   - 2.1
   - 2.2
+  - 2.3
+  - 2.4
   - jruby-19mode
-  - rbx-2
+  - rbx-3
 bundler_args: --without doc debug