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
this is even worst
in a battleground script, the player must have a battleground ID to continue
if a player went into a battleground map without a battleground ID, that script is consider bug