Small change in travis.yml
Small change in travis.yml

ioannisstenos/e-science,ioannisstenos/e-science,KPetsas/e-science,KPetsas/e-science,KPetsas/e-science,KPetsas/e-science,grnet/e-science,grnet/e-science,ibyron/e-science,ibyron/e-science,KPetsas/e-science,grnet/e-science,grnet/e-science,ibyron/e-science,ioannisstenos/e-science,grnet/e-science,ioannisstenos/e-science,ibyron/e-science,ioannisstenos/e-science,ibyron/e-science