add protocol

Signed-off-by: yoonki.park <yoonki.park@samsung.com>
Update protocol.txt
update the latest

Signed-off-by: yoonki.park <yoonki.park@samsung.com>
Revert "update the latest"

This reverts commit e9b1acb723a32c2128d7cd9d31b655c771c83ca3.
update contact

Signed-off-by: yoonki.park <yoonki.park@samsung.com>
update util header

Signed-off-by: yoonki.park <yoonki.park@samsung.com>
Merge pull request #1 from yoonky/master

sync code