.travis.yml in neovim-0.5.0 vs .travis.yml in neovim-0.5.1

@@ -1,17 +1,18 @@
 language: ruby
 sudo: false
+dist: trusty
 
 branches:
   only: master
 
 rvm:
-  - 1.9.3
-  - 2.0.0
-  - 2.1.0
-  - 2.2.0
-  - 2.3.0
-  - 2.4.0
+  - 1.9
+  - 2.0
+  - 2.1
+  - 2.2
+  - 2.3
+  - 2.4
   - ruby-head
 
 before_install:
   - eval "$(curl -Ss https://raw.githubusercontent.com/neovim/bot-ci/master/scripts/travis-setup.sh) nightly-x64"