Bug 18739 - Add SVG version of staff-home-icons-sprite image

Images display correctly. Followed test plan and patch works as described.

Signed-off-by: Dilan Johnpullé <dilan@calyx.net.au>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

koha-tmpl/intranet-tmpl/prog/en/modules/about.tt

@@ -782,20 +782,20 @@
 
             <h2>The Noun Project icons</h2>
                 <ul>
-                    <li>All images come from <a href="http://thenounproject.com/">The Noun Project</a> collection</li>
+                    <li>All images come from <a href="https://thenounproject.com/">The Noun Project</a> collection</li>
                     <li>
-                        Circulation ("fair-trade") symbol by Edward Boatman ; Patrons
-                        ("children's library") symbol by Edward Boatman, Saul Tannenbaum,
-                        Stephen Kennedy, Nikki Snow, Brooke Hamilton ; Search ("magnifying
-                        glass") symbol by Philipp Suess ; Lists ("folder") symbol by Jack
+                        Circulation ("<a href="https://thenounproject.com/icon/743/">fair-trade</a>") symbol by Edward Boatman ; Patrons
+                        ("<a href="https://thenounproject.com/term/childrens-library/739/">children's library</a>") symbol by Edward Boatman, Saul Tannenbaum,
+                        Stephen Kennedy, Nikki Snow, Brooke Hamilton ; Search ("<a href="https://thenounproject.com/term/magnifying-glass/907/">magnifying
+                        glass</a>") symbol by Philipp Süß ; Lists ("<a href="https://thenounproject.com/term/folder/650/">folder</a>") symbol by Jack
                         Biesek, Gladys Brenner, Margaret Faye, Healther Merrifield, Kate
                         Keating, Wendy Olmstead, Todd Pierce, Jamie Cowgill, Jim Bolek ;
-                        Course reserves ("stack of books") symbol by Jeremy J. Bristol;
-                        Cataloging ("price tag") symbol by the Noun Project ; Authorities
-                        ("link") symbol by Matthew Exton ; Serials ("newspaper") symbol by John
-                        Caserta ; Acquisitions ("present") symbol by David Goodger ; Reports
-                        ("pie chart") symbol by Scott Lewis ; Administration ("gears") symbol by
-                        Jeremy Minnick ; Tools ("wrench") symbol by National Park Service
+                        Course reserves ("<a href="https://thenounproject.com/term/stack-of-books/11494/">stack of books</a>") symbol by Jeremy J. Bristol;
+                        Cataloging ("<a href="https://thenounproject.com/term/tag/888732/">price tag</a>") symbol by the Noun Project ; Authorities
+                        ("<a href="https://thenounproject.com/term/link/1690/">link</a>") symbol by Matthew Exton ; Serials ("<a href="https://thenounproject.com/term/newspaper/1233/">newspaper</a>") symbol by John
+                        Caserta ; Acquisitions ("<a href="https://thenounproject.com/term/gift/970853/">gift</a>") symbol by David Goodger ; Reports
+                        ("<a href="https://thenounproject.com/term/pie-chart/805/">pie chart</a>") symbol by Scott Lewis ; Administration ("<a href="https://thenounproject.com/term/gears/1063/">gears</a>") symbol by
+                        Jeremy Minnick ; Tools ("<a href="https://thenounproject.com/term/wrench/234/">wrench</a>") symbol by National Park Service
                     </li>
                 </ul>