GRUB-legacy configuration file support.

	GRUB-legacy configuration file support.

	* Makefile.util.def (grub-menulst2cfg): New util.
	* docs/man/grub-menulst2cfg.h2m: New file.
	* grub-core/Makefile.core.def (legacycfg): New module.
	* grub-core/commands/legacycfg.c: New file.
	* grub-core/commands/menuentry.c (append_menu_entry): Rename to ...
	(grub_normal_add_menu_entry): ... this.
	* grub-core/commands/password.c (grub_cmd_password): Split main part to ...
	(grub_normal_set_password): ...this.
	* grub-core/commands/videoinfo.c (grub_cmd_videoinfo): Support MODE.
	* grub-core/loader/i386/linux.c (linux_vesafb_res): Move to ..,
	* grub-core/lib/i386/pc/vesa_modes_table.c: ... here.
	* grub-core/lib/legacy_parse.c: New file.
	* grub-core/normal/auth.c (grub_cmd_authenticate): New command.
	* include/grub/i386/pc/vesa_modes_table.h: New file.
	* include/grub/legacy_parse.h: Likewise.
	* include/grub/normal.h (grub_normal_add_menu_entry): New proto.
	* util/grub-menulst2cfg.c: New file.

	* grub-core/Makefile.core.def (lsapm): New module.
	* grub-core/commands/i386/pc/lsapm.c: New file.
	* grub-core/loader/i386/multiboot_mbi.c (make_mbi) [GRUB_MACHINE_PCBIOS]: Pass APM info.
	* grub-core/loader/multiboot_mbi2.c (make_mbi) [GRUB_MACHINE_PCBIOS]:
	Likewise.
	* include/grub/i386/pc/apm.h: New file.
	* include/multiboot.h (multiboot_apm_info): New struct.