[Automake-NG] [FYI] Merge branch 'master' into ng/master

[Stefano Lattarini]

commit b757a99bd3c2d77c319bb7876f0ad324ac3b93a9
Merge: ac3a5a1 a0db09f
Author: Stefano Lattarini <address@hidden>
Date:   Thu May 23 21:33:03 2013 +0200

    Merge branch 'master' into ng/master

    * master:
      tests: avoid few lingering $MAKE redirections
      tests: avoid '$MAKE' redirections, use 'run_make' instead
      tests: avoid use of redirected 'run_make' invocations
      lint: warn against redirected 'run_make' invocations
      comments: next GNU make release 4.0, not 3.83
      tests: fix a potential spurious failure due to global config.site
      HACKING: it's OK to do testsuite refactoring in a micro version
      tests: remove some code duplication
      cosmetics: remove a couple of extra whitespaces in tests
      tests: two minor fixups

    Signed-off-by: Stefano Lattarini <address@hidden>