Version 1.4.0

Added
* msgtrace module with ability to provide info such as date of last
  check for updates or updater execution messages
* packages module that allows read access of installed packages info
* Option --no-network-fail to skip updater run when network connection
  is unavailable
* Possibility to disable network test by setting zero
* System shutdown is now retained till there is process holding opkg
  lock
* argument --autorun to mark execution as automatic run to adhere
  autorun configuration

Changed
* Disabled autorun now won't prevent from update, you have to use
  --autorun to get previous behavior