more travis work, python-psycopg2 fails to install
more travis work, python-psycopg2 fails to install

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