Review of settings documentation

The documentation of each parameter has been reviewd and the following changes have been made:

• [global] section:

  • Removed deprecated parameters: use-maddr, debug.
  • Pack parameters which act on the same domain: processus, log, tls, network.
  • Default value changes:
    • enable-snmp: true -> false
    • dump-cores: true -> false

• Mark [monitor] section as experimental

• [event-logs]

  • Rename 'dir' -> 'filesystem-directory'

• [module::Authentication]:

  • Removed parameter: 'enable-test-accounts-creation', 'hashed-password'

• [module::Registrar]:

  • New deprecated parameters: redis-record-serializer
  • Parameter renaming:
    • datasource -> file-path
    • name-message-expires -> message-expires-param-name

• [module::Router]:

  • New deprecated parameters: fork, stateful

  • Removed parameters:

    • generated-contact-route
    • generated-contact-expected-realm
    • generate-contact-even-on-filled-aor
    • preroute

  • Default value changes:

    • message-delivery-timeout to 1w
    • decrease message-accept-timeout to 5s

• [module::PushNotification]

  • Removed parameters: google, google-*

• [presence-server]

  • Hide leak-detector and bypass-condition parameters

• Other changes:

  • Remove residual autotools files.