Implement application detection in systemd, HYP-9458

We can now start system services depending on the type
of application we are running (e.g. nas, recorder).

Samba and netbios services have been modified and will
only be started on the NAS.

Signed-off-by: Angelika Tobisch <tobisch@dresearch-fe.de>
hipos-device-info.sh: use serial number as default hostname

Signed-off-by: Steffen Sledz <sledz@dresearch-fe.de>
Merge branch 'dora' into daisy