[FYI] Merge branch 'maint' into master

[Stefano Lattarini]

commit 73e9f71c130dd620350553752d63edb761336e0e
Merge: b9384c4 f637fc3
Author: Stefano Lattarini <address@hidden>
Date:   Fri Feb 15 15:39:02 2013 +0100

    Merge branch 'maint'

    * maint:
      typofix: in comments in 't/ax/test-lib.sh'
      tests on TAP: don't run the driver with perl unconditionally
      typofix: in comments in 'automake.in'
      tests: remove obsolete (and now wrong) comment
      typofix: in diagnostic in test 't/tap-realtime.sh'
      automake: fix reference to relevant tests in comments
      NEWS: we no longer plan to drop $(INCLUDES) support in next major version