Anjay 3.8.0

BREAKING CHANGES

• Timeout in case of sending a Confirmable Notification does not cancel the
  observation anymore by default.

Features

• Added a connection_error_is_registration_failure configuration option that
  allows handling connection errors as Register failures, including the
  automatic retry mechanism
• Added experimental server connection status API.

Improvements

• (commercial version only) Changed MSISDN matching method in SMS binding
  feature to allow handling messages with Short Codes as originating number

Bugfixes

• Fixed a corner case in which a connection error during a non-first Register
  attempt could cause uncontrolled infinite retries
• Fixed a bug in demo of Advanced Firmware Update module that prevented
  proper handling of security config for targets other than APP
• Fixed a bug that caused anjay_next_planned_notify_trigger family APIs to
  return an invalid value after canceling observations