Fixes Ubuntu bug #1082045.

* docs/grub.texi (Images): Refer generally to grub-install rather
than directly to grub-setup.
(Installing GRUB using grub-install): Remove direct reference to
grub-setup.
(Device map) Likewise.
(Invoking grub-install): Likewise.
* docs/man/grub-install.h2m (SEE ALSO): Likewise.
* docs/man/grub-mkimage.h2m (SEE ALSO): Likewise.
* util/grub-install.in (usage): Likewise.

* util/bash-completion.d/grub-completion.bash.in (_grub_setup):
Apply to grub-bios-setup and grub-sparc64-setup rather than to
grub-setup.
* configure.ac: Remove grub_setup output variable.

* docs/man/grub-bios-setup.h2m (NAME): Change name from grub-setup
to grub-bios-setup.
* docs/man/grub-sparc64-setup.h2m (NAME): Change name from
grub-setup to grub-sparc64-setup.

run-time.  Fixes Debian bug #696465.

* acinclude.m4 (grub_TRANSFORM): New macro.
* configure.ac: Create output variables with transformed names for
most programs.
* util/bash-completion.d/grub-completion.bash.in: Use
pre-transformed variables for program names.
* util/grub-install.in: Likewise.
* util/grub-kbdcomp.in: Likewise.
* util/grub-mkconfig.in: Likewise.
* util/grub-mkconfig_lib.in: Likewise.
* util/grub-mknetdir.in: Likewise.
* util/grub-mkrescue.in: Likewise.
* util/grub-mkstandalone.in: Likewise.
* util/grub-reboot.in: Likewise.
* util/grub-set-default.in: Likewise.
* util/powerpc/ieee1275/grub-mkrescue.in: Likewise.
* tests/util/grub-shell-tester.in: Remove unused assignment.
* tests/util/grub-shell.in: Likewise.
* util/grub.d/00_header.in: Likewise.

	* util/bash-completion.d/grub-completion.bash.in
	(_grub_mkpasswd-pbkdf2): Rename to ...
	(_grub_mkpasswd_pbkdf2): ... this. All users updated.
	(_grub_script-check): Rename to ...
	(_grub_script_check): ... this. All users updated.

    * util/bash-completion.d/grub-completion.bash.in: Add function to get
    completions from usage. Use LC_ALL=C to get options properly.

    * Makefile.am:  Add util/bash-completion.d directory
    * configure.ac: Likewise.
    * util/bash-completion.d/Makefile.am: New file.
    * util/bash-completion.d/grub-completion.bash.in: Likewise.