Core/Packets: Added SMSG_MONSTER_MOVE and split common packet structures
Core/Packets: Added the following packets:
CMSG_QUESTGIVER_STATUS_MULTIPLE_QUERY
SMSG_QUESTGIVER_STATUS_MULTIPLE
CMSG_QUESTGIVER_STATUS_QUERY
SMSG_QUESTGIVER_STATUS
SMSG_AI_REACTION
SMSG_ATTACKERSTATEUPDATE
SMSG_ATTACKSTART
SMSG_ATTACKSTOP
SMSG_THREAT_UPDATE
SMSG_HIGHEST_THREAT_UPDATE
SMSG_SET_PROFICIENCY