Merge upstream version 24.4

Merge upstream version 24.4

Remove (unneeded) src/macuvs.h and admin/unidata/IVD_Sequences.txt
until we're sure about the license:

  https://lists.gnu.org/archive/html/emacs-devel/2014-10/msg00742.html

Remove new GFDL files (moved to emacs24-common-non-dfsg):

  doc/misc/eww.texi
  doc/misc/ido.texi
  doc/misc/octave-mode.texi
  doc/misc/todo-mode.texi

Remove redundant patches:

  0007-Invoke-the-correct-xmlstarlet-executable-on-Debian-s.patch
  0008-Emacs-should-no-longer-hang-at-startup-on-kFreeBSD.patch
  0009-Emacs-should-no-longer-hang-at-startup-on-kFreeBSD.patch
  0010-Emacs-should-now-build-correctly-on-GNU-Hurd.patch
  0011-Gnus-should-no-longer-use-a-predictable-temp-file-na.patch
  0012-Security-issues-in-find-gc.el-have-been-fixed-CVE-20.patch
  0013-Security-issues-in-tramp-have-been-fixed-CVE-2014-34.patch
  0014-Insecure-file-handling-in-browse-url-mosaic-has-been.patch
  0015-The-compose-key-should-now-work-better-with-UIM-1-4.patch
  0016-The-compose-key-should-now-work-better-with-UIM-2-4.patch
  0017-The-compose-key-should-now-work-better-with-UIM-3-4.patch
  0018-The-compose-key-should-now-work-better-with-UIM-4-4.patch
  0019-fill-region-as-paragraph-should-better-respect-the-f.patch
  0020-Emacs-should-now-follow-Make-4.0-directory-changes.patch