Name: remove_ghost - revive a player

Syntax:
	int remove_ghost()

Description:
	The remove_ghost function revives a player, if he was dead. Only the
	church can call this function. It is used by the pray command.

Return value: 
	1, if the call was successful, 0 if not.

Examples:
	this_player()->remove_ghost();
	
See also: living/query_ghost