Update .travis.yml: Don't use JRUBY_OPTS in MRI
Update .travis.yml: Don't use JRUBY_OPTS in MRI
idibon/warbler,atambo/warbler,fedenusy/warbler,ctreatma/warbler,mkristian/warbler,ctreatma/warbler,mkristian/warbler,ctreatma/warbler,fedenusy/warbler,fedenusy/warbler,idibon/warbler,atambo/warbler,idibon/warbler,fedenusy/warbler,mkristian/warbler,ctreatma/warbler,idibon/warbler