ci: remove ci configuration warnings (#356)

Author: arnaudbesnier

.travis.yml

@@ -1,9 +1,11 @@
-sudo: false
 language: ruby
+
 before_install:
   - gem install bundler -v '1.17.3'
+
 rvm:
   - 2.3.4
+
 script:
   - RAILS_ENV=test bundle exec rake test
   - RAILS_ENV=test bundle exec rake db:migrate && bundle exec rspec --color --format doc

CHANGELOG.md

@@ -1,6 +1,8 @@
 # Change Log
 
 ## [Unreleased]
+### Changed
+- Technical - Patch CI configuration warnings.
 
 ## RELEASE 5.1.1 - 2020-04-20
 ### Fixed