Message initial commit

Signed-off-by: LeeJeongHo <ljh721635@huray.net>
Merge branches 'master' and 'master' of https://github.com/LeeJeongHo/Hong3
add gson library

Signed-off-by: LeeJeongHo <ljh721635@huray.net>
Merge branch 'master' of https://github.com/LeeJeongHo/Hong3
Merge branch 'master' of https://github.com/LeeJeongHo/Hong3