.travis.yml in cells-rails-0.0.8 vs .travis.yml in cells-rails-0.0.9

- old
+ new

@@ -1,13 +1,20 @@
 language: ruby
 rvm:
+  - 2.5.0
+  - 2.4.3
   - 2.3
   - 2.2
   - 2.1
   - 2.0.0
   - 1.9.3
   - jruby-19mode
-gemfile:
-  - gemfiles/rails4.2.gemfile
-  - gemfiles/rails4.1.gemfile
-  - gemfiles/rails4.0.gemfile
-  - gemfiles/rails3.2.gemfile
+env:
+  - "RAILS_VERSION=4.2"
+  - "RAILS_VERSION=5.0"
+matrix:
+  fast_finish: true
+  exclude:
+    - rvm: 2.1.10
+      env: "RAILS_VERSION=5.0"
+    - rvm: 2.4.0
+      env: "RAILS_VERSION=4.2"