Revert "use grub2-probe to get device map"

This reverts commit 63e55674ed83d0623f494102a69dc5be1574e7f9.

Conflicts:

	src/Core/GRUB2.pm
fix regexp to not backtrack endlessly if parentheses don't match (bnc #875369)
update version and changes
Merge pull request #33 from openSUSE/bnc_875369_b

Bnc 875369 b
fix update

ListFiles is intented to list all possible configuration files, so it
can be backuped and also allow single commit update. Implementation
based on existence of file breaks update process which create at first
<file>.new file and then copy it to target location, but when upgrade
from grub1 it create only new files and never copy it to target location
as it is not listed as grub2 cfg files.
release
have static list of config files also for GRUB2EFI.
Merge pull request #34 from openSUSE/fix_update

Fix update
Merge branch 'master' of git://github.com/openSUSE/perl-bootloader
enable btrfs snapshot booting on all architectures

enable btrfs snapshot booting on all architectures