Test against Ruby 2.2 and JRuby 2.0/2.1 modes
Test against Ruby 2.2 and JRuby 2.0/2.1 modes

Allows jruby-XYmode failures

santiagodoldan/faraday,nevans/faraday,stayhero/faraday,ngpestelos/faraday,jhass/faraday,mehulkar/faraday,AvaelKross/faraday,prcongithub/faraday,luvtechno/faraday,O-I/faraday,coinbase/faraday,flower-pot/faraday,prcongithub/faraday,lostisland/faraday,daviswahl/faraday,hrysd/faraday,pvdb/faraday,ru-faraon/Faraday-is-an-HTTP-client,engineyard/faraday,hstrowd/faraday,O-I/faraday,jhass/faraday,ngpestelos/faraday,customink/faraday,davoclavo/faraday,ru-faraon/Faraday-is-an-HTTP-client,iamjarvo/faraday,grosser/faraday,spyofchina/faraday,spyofchina/faraday,ekampp/faraday,zhaoxl/faraday,davoclavo/faraday,luvtechno/faraday,flower-pot/faraday,stayhero/faraday,iamjarvo/faraday,daviswahl/faraday,coinbase/faraday,mauricionr/faraday,AvaelKross/faraday,davidcornu/faraday,lostisland/faraday,jrafanie/faraday,hrysd/faraday,mehulkar/faraday,davidcornu/faraday,pvdb/faraday,zhaoxl/faraday,hstrowd/faraday,customink/faraday,jrafanie/faraday,zanker/faraday,grosser/faraday,zanker/faraday,nevans/faraday,engineyard/faraday,santiagodoldan/faraday,mauricionr/faraday,ekampp/faraday