2016-01-18: Release versions 3.19.4 * New and updated translations - cs, courtesy of Marek Černocký - de, courtesy of Mario Blättermann - es, courtesy of Daniel Mustieles - pl, courtesy of Piotr Drąg - sr, courtesy of Мирослав Николић - sr@latin, courtesy of Miroslav Nikolić - tr, courtesy of Muhammet Kara * Added scalable icon (bug #746471) * Use new icon and GtkApplication (bug #742871) * Single-instance application * Remove window border * Register window actions * Fixed autogen deprecation warnings