Bug 7143: Updating about page and history

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit ef7480f362a0286b13e1ba1b99e58c6d2ca7ba72)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
Bug 7143: add another name to the about page

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit 4e4a33ef5deecc32711092d78d87f2eefe3fbcf5)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>