Disable native extension on JRuby
Disable native extension on JRuby

marshall-lee/nio4r,celluloid/nio4r,tpetchel/nio4r,marshall-lee/nio4r,frsyuki/nio4r,tpetchel/nio4r,tpetchel/nio4r,marshall-lee/nio4r,celluloid/nio4r,celluloid/nio4r,frsyuki/nio4r,frsyuki/nio4r