Merge branch 'maint'

Merge branch 'maint'

* maint:
  test defs: hack to support autoconf-wrapper programs
  tests: fix a minor spurious failure with FreeBSD make
  tests: make two test scripts executable
  readme: reference webpages for automake mailing lists
  readme: update advice about testsuite execution
  readme: don't reference the old homepage at sources.redhat.com
  hacking: some more fixlets
  * NEWS: Fix typo in 'make dist-bzip2' description.
  release: don't run "make distcheck" automatically
  hacking: update on-line documentation for stable releases only
  hacking: described release procedure applies to beta releases too
  readme: the documentation is production quality now
  hacking: tell about platform-testers mailing list
  hacking: we don't use sources.redhat.com anymore
  hacking: miscellaneous minor fixes