website: Replace original GNU Guix logo with the golden GNU.

See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25205 for more
information about the decision.

* logo/Guix-print.svg: New file.
* logo/Guix.svg: Ditto.
* logo/GuixSD-print.svg: Add dark horizontal variant.
* logo/GuixSD.svg: Ditto.
* logo/README: Mark Nikita's logo as superseded.
* logo/guix-logo-white.svg: Rename to logo/superseded-guix-white.svg
* logo/guix-logo.svg: Rename to logo/superseded-guix.svg
* website/static/base/img/Guix-package.png: Use new logo.
* website/static/base/img/Guix.png: New file.
* website/static/base/img/GuixSD-package.png: Change to screen.
* website/static/base/img/GuixSD.png: New file.
* website/static/base/img/guix-manual-icon.png: Use new logo.
* website/static/base/img/guixsd-manual-icon.png: Suggest text lines.
* website/static/base/img/icon-set.svg: Use new logo.
* website/static/base/img/installer.svg: Use new logo.
* website/static/base/img/src-package.png: New file.
* website/www.scm (%web-pages): Include new graphics page.
* website/www/download.scm (%guix-src-image): New variable.
  (download-page): Use new variable.
* website/www/graphics.scm: New file.

2 files changed, 70 insertions, 1 deletions

diff --git a/website/www/download.scm b/website/www/download.scm
index 5c64376..db51516 100644
--- a/website/www/download.scm
+++ b/website/www/download.scm
@@ -58,6 +58,9 @@ dependencies.")
 (define %guix-image
   "Guix-package.png")
 
+(define %guix-src-image
+  "src-package.png")
+
 (define (ftp-url file)
   (string-append "ftp://alpha.gnu.org/gnu/guix/" file))
 
@@ -143,7 +146,7 @@ Linux-based system.")
                             #:files (guix-source-files '("tarball"))
                             #:description %source-tarball-description
                             #:manual %source-tarball-manual
-                            #:image %guix-image))
+                            #:image %guix-src-image))
 
 		(p "Source code for the Guix System Distribution USB
 installation images as well as GNU Guix can be found on the GNU ftp server for "
diff --git a/website/www/graphics.scm b/website/www/graphics.scm
new file mode 100644
index 0000000..89d3f8e
--- /dev/null
+++ b/website/www/graphics.scm
@@ -0,0 +1,66 @@
+;;; GuixSD website --- GNU's advanced distro website
+;;; Copyright © 2016 Luis Felipe López Acevedo <felipe.lopez@openmailbox.org>
+;;;
+;;; This file is part of GuixSD website.
+;;;
+;;; GuixSD website is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU Affero General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GuixSD website is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU Affero General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Affero General Public License
+;;; along with GuixSD website.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (www graphics)
+  #:use-module (www utils)
+  #:use-module (www shared)
+  #:export (graphics-page))
+
+(define (graphics-page)
+  `(html (@ (lang "en"))
+         ,(html-page-header "Graphics")
+         (body
+	  ,(html-page-description)
+          ,(html-page-links)
+
+          (div (@ (id "content-box"))
+               (article
+                (h1 "Graphics")
+                (p "For questions regarding the graphics listed in this page, "
+		   "please contact "
+                   (a (@ (href "https://lists.gnu.org/mailman/listinfo/help-guix"))
+                      ("help-guix@gnu.org"))
+                   ".")
+		(p
+		 (@ (class "text-center"))
+		 (img (@ (src ,(base-url "static/base/img/Guix.png"))
+			 (alt "GNU Guix logotype")))
+		 (img (@ (src ,(base-url "static/base/img/GuixSD.png"))
+			 (alt "Guix System Distribution logotype"))))
+                (p "The GNU Guix and the Guix System Distribution (GuixSD) "
+                   "logotypes were designed by Luis Felipe López Acevedo. "
+		   "They are available under the following terms:")
+		(blockquote
+		 (p "Copyright © 2015 Luis Felipe López Acevedo <felipe.lopez@openmailbox.org>")
+		 (p "Permission is granted to copy, distribute and/or modify "
+		    "this work under the terms of the "
+		    (a (@ (href "http://creativecommons.org/licenses/by-sa/4.0/"))
+		       "Creative Commons Attribution-ShareAlike 4.0 International License")
+		    "."))
+		(p "The source files for these logotypes, their variants, and "
+		   "other artwork used in the different components of the GNU "
+		   "Guix project are available in the "
+		   (a (@ (href "http://git.savannah.gnu.org/cgit/guix/guix-artwork.git"))
+		      "guix-artwork")
+		   " repository, including the previous GNU Guix logotype "
+		   "designed by Nikita Karetnikov in 2013 and "
+		   (a (@ (href "https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25205"))
+		      "superseded")
+		   " by the golden GNU in 2016.")))
+
+          ,(html-page-footer))))