Rewrite grub-install, grub-mkrescue, grub-mkstandalone and grub-mknetdir

the function of these files exceeds what can be sanely handled in shell
	in posix-comaptible way. Also writing it in C extends the functionality
	to non-UNIX-like OS and minimal environments.

grub-core/osdep/basic/no_platform.c

@@ -0,0 +1,46 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2013 Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/types.h>
+#include <grub/emu/misc.h>
+#include <grub/util/install.h>
+#include <grub/util/misc.h>
+
+#include "platform.c"
+
+void
+grub_install_register_ieee1275 (int is_prep, const char *install_device,
+				int partno, const char *relpath)
+{
+  grub_util_error ("%s", "no IEEE1275 routines are available for your platform");
+}
+
+void
+grub_install_register_efi (const char *efidir_disk, int efidir_part,
+			   const char *efifile_path,
+			   const char *efi_distributor)
+{
+  grub_util_error ("%s", "no EFI routines are available for your platform");
+}
+
+void
+grub_install_sgi_setup (const char *install_device,
+			const char *imgfile, const char *destname)
+{
+  grub_util_error ("%s", "no SGI routines are available for your platform");
+}