message: Respawn players at half health
  Cleaned up the adjacent code slightly; might clean it up further later.
diff: @@ -385,14 +385,18 @@ static void revivePlayer(CNSocket* sock, CNPacketData* data) {
  if (reviveData->iRegenType == 3 && plr->iConditionBitFlag & CSB_BIT_PHOENIX) {
  // nano revive
  plr->Nanos[plr->activeNano].iStamina = 0;
  - plr->HP = PC_MAXHEALTH(plr->level);
  + plr->HP = PC_MAXHEALTH(plr->level) / 2;
  Nanos::applyBuff(sock, plr->Nanos[plr->activeNano].iSkillID, 2, 1, 0);
  } else if (reviveData->iRegenType == 4) {
  - plr->HP = PC_MAXHEALTH(plr->level);
  + // revived by group member's nano
  + plr->HP = PC_MAXHEALTH(plr->level) / 2;
  + } else if (reviveData->iRegenType == 5) {
  + // warp away
  + move = true;
  } else {
  + // plain respawn
  move = true;
  - if (reviveData->iRegenType != 5)
  - plr->HP = PC_MAXHEALTH(plr->level);
  + plr->HP = PC_MAXHEALTH(plr->level) / 2;
  }
  for (int i = 0; i < 3; i++) {
  