2015-08-31: Release version 3.17.91 * New and updated translations - el, courtesy of Tom Tryfonidis - es, courtesy of Daniel Mustieles - he, courtesy of Yosef Or Boczko - pt, courtesy of Pedro Albuquerque * Fixed about dialog not showing close button (Olav Vitters) * Website on about dialog should not be translatable (Piotr Drąg)