Merge branch 'docs-dir' of https://github.com/kerolasa/lelux-utiliteetit

Merge branch 'docs-dir' of https://github.com/kerolasa/lelux-utiliteetit

* 'docs-dir' of https://github.com/kerolasa/lelux-utiliteetit:
  docs: remove duplicated text
  docs: require kernel support before accepting use of it
  docs: note about independent super block structs
  docs: add libmount & libblkid debug instructions
  Documentation: add debugging doc
  arch: start using arch as a usage() example
  docs: new file Documentation/release-schedule.txt
  docs: move setuid information from reame to hwclock.8
  docs: clean up old readme files
  docs: copy contributors from legacy files to AUTHORS
  docs: new file Documentation/howto-man-page.txt
  docs: new file Documentation/source-code-management.txt
  docs: new file Documentation/howto-contribute.txt
  docs: new file Documentation/howto-compilation.txt
  docs: tell what the Documentation/ is about
  docs: add usage() howto for contributors
  docs: Documentation directory added
  docs: remove README.clear