Block a user
feat: obfuscate client identity and improve privacy (#165)
Increase software and version privacy
ref: standardize nickname->jid autocomplete and autoconvertion in cmd_defs
(merge regressions) Make adequate migration client.name -> client.account_name
[privacy] Revise version display default
fix(accounts): complete client.name to client.account_name rename
fix(accounts): complete client.name to client.account_name rename