Merge branch 'rename' of git://github.com/kerolasa/lelux-utiliteetit

* 'rename' of git://github.com/kerolasa/lelux-utiliteetit:
  tests: add rename(1) return value check
  rename: use function pointer to select file or symlink operation
  rename: continue despite something failed
  tests: add rename(1) checks
  tests: use ts_cd everywhere to change direcrory
  tests: add function to change directory reliable way
  rename: allow renaming in subdirectories