Merge branch 'next'

* next:
  chore, zap to latest clitoris version
  test, use suppress-diff operator in fsck regressions
  chore, update test suite's clitoris to support the suppress-diff operator
  test, PEBKAC, don't use cp for in-situ input and reference files ...
  minor, retire ut-test harness in favour of clitoris
  test, migrate the rest of the fsck tests to clitoris tester
  chore, update test suite's hxdiff tool to avoid stalls
  test, migrate some fsck tests to clitoris tester
  test, rewrite shnot regressions using the ignore operator
  chore, prepare fail tests, initialise the necessary variables ...
  chore, use -k|--keep-going for clit test files
  chore, update clitoris tools, with support for negexp and ignore opers
  Revert "test, chore, mute ute-fsck in preparation to shnot"