orka-cli bug fix,exit instead of return error
orka-cli bug fix,exit instead of return error

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