Hurd fixes

* Add the Hurd hard disk devices to the $disc_offered_devfs regexp and
  switch cases.
* Add grub_package="grub-pc" on Hurd, and add a default case for the
  sake of future porters.
Merge branch 'master' of git://git.debian.org/d-i/grub-installer

Conflicts:
	debian/changelog
typo
[l10n] [SILENT_COMMIT]  Commit changed/added files
Make "grub-installer/grub_not_mature_on_this_platform" translatable
Add sublevel marker
Fix spelling
If the first disk has neither a partition table nor a filesystem, don't try to install to it as grub-setup will refuse (LP: #711830).
set debconf title

This fixes a user report where man-db title where being used during
grub installation since no other module has change it until
grub-installer has been started.
releasing version 1.61
Update PO files (missed by l10n-sync?)
Update PO files (missed by l10n-sync)
Upload to resync translations
releasing version 1.62
Leftover by l10n-sync
[l10n] [SILENT_COMMIT]  Commit changed/added files
grub-installer: Handle Mach serial device name.
[l10n] [SILENT_COMMIT]  Commit changed/added files
[l10n] [SILENT_COMMIT]  Commit changed/added files
[l10n] [SILENT_COMMIT]  Commit changed/added files