Updated jruby-rack with latest fixes
Updated jruby-rack with latest fixes

ctreatma/warbler,ctreatma/warbler,mkristian/warbler,idibon/warbler,fedenusy/warbler,atambo/warbler,idibon/warbler,atambo/warbler,idibon/warbler,fedenusy/warbler,fedenusy/warbler,ctreatma/warbler,fedenusy/warbler,mkristian/warbler,ctreatma/warbler,mkristian/warbler,idibon/warbler