Add a 1.0.4 release announcement
Add a 1.0.4 release announcement

raelik/jruby-gradle-plugin,jamescway/jruby-gradle-plugin,raelik/jruby-gradle-plugin,MisumiRize/jruby-gradle-plugin,raelik/jruby-gradle-plugin,jamescway/jruby-gradle-plugin,MisumiRize/jruby-gradle-plugin,MisumiRize/jruby-gradle-plugin,jamescway/jruby-gradle-plugin