* etc/images/icons/hicolor/128x128/apps/emacs23.png:
* etc/images/icons/hicolor/16x16/apps/emacs23.png:
* etc/images/icons/hicolor/24x24/apps/emacs23.png:
* etc/images/icons/hicolor/32x32/apps/emacs23.png:
* etc/images/icons/hicolor/48x48/apps/emacs23.png:
* etc/images/icons/hicolor/scalable/apps/emacs23.svg:
* etc/images/icons/hicolor/scalable/mimetypes/emacs-document23.svg: Move
  the old logo files to emacs23.*.
* etc/images/icons/hicolor/128x128/apps/emacs.png:
* etc/images/icons/hicolor/16x16/apps/emacs.png:
* etc/images/icons/hicolor/24x24/apps/emacs.png:
* etc/images/icons/hicolor/32x32/apps/emacs.png:
* etc/images/icons/hicolor/48x48/apps/emacs.png:
* etc/images/icons/hicolor/scalable/apps/emacs.svg:
* etc/images/icons/hicolor/scalable/mimetypes/emacs-document.svg: New files.
* etc/images/icons/README: Update the copyright information.