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

[Stefano Lattarini]

commit da7bbf1eb5315d2bc6e94cbc2f7a106b214bd645
Merge: 661c89f 97ae26e
Author: Stefano Lattarini <address@hidden>
Date:   Wed Apr 4 11:56:19 2012 +0200

    Merge branch 'master' into ng/master

    * master:
      texinfo: warn about future use of '--tidy'
      texinfo: don't clutter the builddir when using modern texi2dvi
      hacking: autotools-generated files are not committed anymore
      hacking: simplify documentation of bootstrapping process
      cosmetics: remove repeated line in comment, fix quoting
      cosmetics: remove useless import in automake script
      docs: deprecate 'cygnus' mode, help the transition
      perl refactor: use modern semantics of 'open'
      cosmetics: don't make the generated Config.pm executable
      maint: reduce use of recursion in automake build system
      news: sync with branch-1.11, fix mis-merges
      acinstall: remove, it has never been really used
      maint: reorganize the source tree and make it less cluttered
      news: we are going to drop 'cygnus' soonish

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