Package make-initrd: Information

- Feature plymouth:
  + Fix unbound variable PLYMOUTH_LIBDIR.

- New version (2.43.0).
- Feature overlayfs:
  + New feature to take lowerdirs into account.
- Feature guestfs:
  + Add gost checksum utilities.
- Feature pipeline:
  + Add dependency on additional utilities.
  + Register ping= cmdline parameter.
- Feature lkrg:
  + Fix LSM header for service (ALT#49219).
- Feature multipath:
  + Add plugins directory.
  + Logically separate the multipath and sg3_utils files.
- Feature plymouth:
  + Use the library list to find the plymouth directory.

- New version (2.42.0) (ALT#49122).
- Feature network:
  + Do not add this feature by default (ALT#49123).
- Feature system-glibc:
  + Do not add this feature by default (ALT#49123).
- Feature lkrg:
  + Fix service permissions.
- Remove features:
  + raid, ide-to-scsi, scsi-to-ide, debug-procacct, kbd (ALT#49123).
- Remove spawn-shell.