hmi-controller is a reference how to use libweston-layout.so

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
A reference of client to use ivi-hmi-controller protocol.

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
Modify ivi-shell/Makefile to build references;ivi-hmi-controller protocol
and hmi-controller/hmi-controller-homescreen

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
Add refernce image files for ivi-hmi-controller

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
Update data/Makefile.am to support reference image files for ivi-hmi-conroller.

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
Add a reference of weston.ini for ivi-shell and ivi-hmi-conroller.

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>