Update *recovery script command

another script command that rathena already having for months
http://trac.rathena.org/changeset/17321/rathena

no more atcommand @raise, @raisemap or @alive

feel free to improve the code
count = map->foreachinrange(buildin_recovery_TYPE_bl, &sd->bl, battle_config.area_size, BL_PC, revive);