Auto merge of #147 - olleolleolle:patch-2, r=indirect
Auto merge of #147 - olleolleolle:patch-2, r=indirect

Travis: jruby-9.1.12.0

This PR updates the CI matrix to use latest JRuby.

http://jruby.org/2017/06/15/jruby-9-1-12-0.html

crashlytics/gemstash,bundler/gemstash,crashlytics/gemstash,bundler/gemstash,bundler/gemstash,crashlytics/gemstash