add opcode "CMSG_ADD_FRIEND, CMSG_ADD_IGNORE. Had to manually add these to avoid conflict.
Original commit. https://github.com/projectcore/SkyFire_5xx/commit/3f521f35ccfb5bae2312bad9ad112605056c8a9a

Signed-off-by: SkyFire <admin@projectskyfire.org>