Added opcode Click to move and updated CMSG_CAST_SPELL
Server/PacketIO: Added structure for SMSG_GOSSIP_MESSAGE.
Server/PacketIO: Added structure and opcode for CMSG_DESTROY_ITEM.
Merge pull request #11 from Rawaho/patch-1

Server/PacketIO: Added structure for SMSG_GOSSIP_MESSAGE.
Merge pull request #14 from Rawaho/patch-2

Server/PacketIO: Added structure and opcode for CMSG_DESTROY_ITEM.
Merge pull request #10 from caffeine239/patch-1

Added opcode Click to move and updated CMSG_CAST_SPELL
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>