ilm_Client: fix display connection leak.

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@denso.co.jp>
ivi-application.xml: apply the latest protocol from weston-ivi-shell

- Remove warning events. This is notified to ivi-controller by
  callback now.
- Add configure event to suggest resize of surface. When ivi-controller
  changes size of ivi_surface, client will receive this event.

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