repman: improve parameters used for cluster

instance-repman-slave-input-schema.json: Move parameters that are used for cluster to
`repman-cluster-dict`
cluster-config.toml: autorejoin and autoseed parameters are moved to cluster config file
8 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed Cloudooo.UnitTest-Master

00:06:05

passed SlapOS.Eggs.UnitTest-Master.Python2

00:25:27

passed SlapOS.Eggs.UnitTest-Master.Python3

00:20:45

passed SlapOS.SlapRunner.ResilienceTest-Master

00:22:13

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

01:28:24

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python2

05:13:50

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

04:02:04

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

08:26:35