added iojs plattform to travis
added iojs plattform to travis

hdngr/mongoosastic,hdngr/mongoosastic,guumaster/mongoosastic,ennosol/mongoosastic,ennosol/mongoosastic,hdngr/mongoosastic,francesconero/mongoosastic,mongoosastic/mongoosastic,guumaster/mongoosastic,mongoosastic/mongoosastic,mongoosastic/mongoosastic,francesconero/mongoosastic,mallzee/mongoosastic,guumaster/mongoosastic,mallzee/mongoosastic,mallzee/mongoosastic