Merge branch 'dp/clean-fix'

Merge branch 'dp/clean-fix'

* dp/clean-fix:
  git-clean: add tests for relative path
  git-clean: correct printing relative path
  Make private quote_path() in wt-status.c available as quote_path_relative()
  Revert part of d089eba (setup: sanitize absolute and funny paths in get_pathspec())
  Revert part of 1abf095 (git-add: adjust to the get_pathspec() changes)
  Revert part of 744dacd (builtin-mv: minimum fix to avoid losing files)
  get_pathspec(): die when an out-of-tree path is given