.travis.yml in hoe-travis-1.4 vs .travis.yml in hoe-travis-1.4.1

@@ -1,15 +1,18 @@
 ---
 after_script:
 - rake travis:after -t
 before_script:
-- gem install hoe-travis --no-rdoc --no-ri
+- gem install hoe-travis --no-document
 - rake travis:before -t
 language: ruby
 notifications:
   email:
   - [e-mail]
 rvm:
 - 2.1.0 # minimum supported
-- 2.2.0
-- 2.3.0
+- 2.2
+- 2.3
+- 2.4
+- 2.5
+- 2.6
 script: rake travis