Add apt-get upgrade step in deploy_orka_server
Add apt-get upgrade step in deploy_orka_server

grnet/e-science,ibyron/e-science,grnet/e-science,ibyron/e-science,grnet/e-science,grnet/e-science,ibyron/e-science,ibyron/e-science,ibyron/e-science,grnet/e-science