updated ruby version

Author: sanzmauro

.travis.yml

@@ -1,7 +1,7 @@
 language: ruby
 
 rvm:
-  - "2.3.6"
+  - "2.4.0"
 
 services:
   - redis-server
@@ -13,8 +13,8 @@ git:
   depth: false
 
 before_install:
-  - gem uninstall -v '>= 2' -i $(rvm gemdir)@global -ax bundler || true
-  - gem install bundler -v '< 2'
+  # - gem uninstall -v '< 2' -i $(rvm gemdir)@global -ax bundler || true
+  # - gem install bundler -v '>= 2'
 
 after_success:
   - bash sonar-scanner.sh