qt-in-industrial-embedded-common: add init script for the smarthome demo

Currently, qt-in-industrial-embedded starts no demo automatically when
installed.  This patch adds an init script so that the smarthome demo
can be automatically started on boot.

Signed-off-by: Mario Domenech Goulart <mario@ossystems.com.br>
qt-in-industrial-embedded-common: add patch to run demos in fullscreen mode

Signed-off-by: Mario Domenech Goulart <mario@ossystems.com.br>