2016.10

A short list of new features:

- progress interface as general way to signalize the update
  status outside of the process.

- support encrypted artifacts (encryption via simmetric keys)

- host verification for swu images (-c option)

- configuration file to configure the update process

- HAwkbit backend: API extended, support for configData messages

- Hawkbit backend: supports SSL certificates

- remote handler : general interface to connect external
  installers.