Changes

Runtime:
- Show a message if the root is not found for more than 15 seconds.
New fearure:
- Add locales feature. The feature adds locales and translations of utilities.
Feature ucode:
- Don't throw an error if no cpu updates are found for intel.
- Fix firmware definition for amd cpu.
Feature raid:
- Remove feature due to deprecation.
Feature cleanup:
- Allow to delete temporary files of features.
Utilities:
- initrd-ls, initrd-extract: Fix use-after-free if cpio is empty.
- replace: Replace utility with bash builtins.
Misc:
- By default show only summary about the build of image.
- Generate content of sysconfig files.
- Add more unit tests.

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