.travis.yml in paperclip-4.2.4 vs .travis.yml in paperclip-4.3.0

@@ -1,23 +1,25 @@
 rvm:
-  - 1.9.3
   - jruby-19mode
   - rbx-2
   - 2.0.0
   - 2.1.1
+  - 2.2.2
 
 install:
   - "travis_retry bundle install"
 
-before_script: "sudo ntpdate -ub ntp.ubuntu.com pool.ntp.org; true"
 script: "bundle exec rake clean spec cucumber"
 
 gemfile:
   - gemfiles/3.2.gemfile
-  - gemfiles/4.0.gemfile
   - gemfiles/4.1.gemfile
+  - gemfiles/4.2.gemfile
 
 matrix:
   fast_finish: true
   allow_failures:
     - rvm: jruby-19mode
     - rvm: rbx-2
+
+sudo: false
+cache: bundler