.travis.yml in cat_tree-1.0.0 vs .travis.yml in cat_tree-1.1.0

@@ -1,20 +1,20 @@
 language: ruby
 before_install:
   - gem install bundler
+services:
+  - mysql
 before_script:
   - mysql -e 'create database cat_tree_test;'
   - bundle update
   - "bundle exec ruby spec/prepare.rb"
 rvm:
-  - 2.0.0
-  - 2.1.8
-  - 2.2.4
-  - 2.3.0
-  - ruby-head
+  - 2.2.7
+  - 2.3.4
+  - 2.4.1
 gemfile:
-  - gemfiles/rails3.gemfile
-  - gemfiles/rails40.gemfile
-  - gemfiles/rails41.gemfile
-notifications:
-  emails:
-    - [e-mail]
+  - gemfiles/rails42.gemfile
+  - gemfiles/rails50.gemfile
+  - gemfiles/rails51.gemfile
+matrix:
+  fast_finish: true
+bundler_args: --jobs 3 --retry 3