Travis: JRuby 9.1.7.0, gem update --system, format the buildfile#138

Merged

bundlerbot merged 5 commits intorubygems:masterfrom olleolleolle:fix/build-on-jruby-with-latest-rubygems

Jan 31, 2017

+21-13

Commits on Jan 28, 2017

Travis: gem update --sytem, format buildfile
olleolleolle
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