slapos_jio: change frontpage to Service List

See merge request !347
3 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS-Master.UnitTest-Master

17:50:50

passed SlapOS.Eggs.UnitTest-Master.Python2

00:12:27

passed SlapOS.Eggs.UnitTest-Master.Python3

00:22:29