moduleapi: Log error message when ambiguous period spec is found in config

util.human.io: Don't accept ambiguous durations by default The new method parse_duration_lax() exports the old behaviour, mainly for compatibility purposes.

mod_cron: Update Teal source and rebuild

mod_cron: Rename variable to fix shadowing (#luacheck)

mod_cron: Add shell command to list registered cron tasks with status

mod_saslauth: Allow plugins to override return SASL condition/text

luacheckrc, mod_http_file_share: Update for module API change (once->on_ready)

modulemanager: Allow modules to expose module.ready - to be called after init This is a shortcut for module:on_ready() which exposes the functionality in an idiomatic way consistent with module.load, module.unload, etc. module.ready runs when the module is loaded and the server has finished starting up.

moduleapi: Rename :once() to :on_ready() for clarity 'Once' is ambiguous - once per what? on_ready() executes its parameter when the module is loaded *and* the server has finished starting.

usermanager, mod_auth_internal_hashed: Support metadata when disabling a user This allows us to store a time, actor, comment and/or reason why an account was disabled, which seems a generally useful thing to support.