Enable bundler caching on travis

DavidS · DavidS · commit 51b64f1ef7f0 · 2015-06-01T11:41:50.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,7 @@
 ---
 sudo: false
 language: ruby
+cache: bundler
 bundler_args: --without system_tests
 script: "bundle exec rake validate && bundle exec rake lint && bundle exec rake spec SPEC_OPTS='--color --format documentation'"
 matrix:
