Merge branch 'maint'

* maint:
  self tests: avoid spurious failures on older bash
  tests: remove t/parallel-tests-many.sh (fixes spurious failure)
  typofix: in a comment in the automake script
  news: minor fixlets and reordering

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --cc NEWS
Simple merge

diff --cc automake.in
Simple merge

diff --cc t/list-of-tests.mk
Simple merge