travis.yml - add notifications
travis.yml - add notifications

hainesr/iruby,SciRuby/iruby,SciRuby/iruby,SciRuby/iruby,zalt50/iruby,domitry/iruby,domitry/iruby,zalt50/iruby,zalt50/iruby,hainesr/iruby,SciRuby/iruby,zalt50/iruby