[AS7-6252] mail subsystem cannot be created from scratch with the CLI
Set up application realm stuff in domain tests so servers don't complain
AS7-6154 Add smoke test of expression support
AS7-6235 Disable broken and ill-advised server-config expression support
AS7-6247 Deprecate cpu-affinity, profile; fix host mgmt interface socket config descriptions
AS7-6247 Formally deprecate server mgmt interface socket config attributes
AS7-5879