JRuby - move to Xenial, no rubygems update, set all to 'allow_failures'
JRuby - move to Xenial, no rubygems update, set all to 'allow_failures'

eileencodes/puma,looker/puma,puma/puma,puma/puma,eileencodes/puma,looker/puma,looker/puma,eileencodes/puma,eileencodes/puma,puma/puma,looker/puma,puma/puma