.travis.yml in rom-elasticsearch-0.1.1 vs .travis.yml in rom-elasticsearch-0.2.0

@@ -1,20 +1,23 @@
 language: ruby
 sudo: false
 cache: bundler
+before_install: gem update --system
 services:
   - elasticsearch
 bundler_args: --without yard guard benchmarks tools
 before_script:
   - curl -XPUT http://localhost:9200/rom-test
+after_success:
+  - '[ -d coverage ] && bundle exec codeclimate-test-reporter'
 script: "bundle exec rake ci"
 rvm:
-  - 2.3.4
-  - 2.4.1
+  - 2.5.0
+  - 2.4.3
+  - 2.3.6
   - jruby-9.1.12.0
 env:
   global:
-    - JRUBY_OPTS='--dev -J-Xmx1024M'
     - COVERAGE='true'
 notifications:
   webhooks:
     urls:
       - https://webhooks.gitter.im/e/39e1225f489f38b0bd09