Updated README.md to include build-passing from travis-ci
Updated README.md to include build-passing from travis-ci

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