version 2.24.1
  - exit correctly with unknown command line arguments, fixes bug #556084
  - added/updated translations
    - ar, courtesy of Usama Akkad
    - es, courtesy of Jorge González
    - fr, courtesy of Robert-André Mauchin
    - he, courtesy of Mark Krapivner
    - mk, courtesy of Jovan Naumovski
    - nb, courtesy of Kjartan Maraas
    - nl, courtesy of Wouter Bolsterlee
    - pt_BR, courtesy of Vladimir Melo
    - th, courtesy of Theppitak Karoonboonyanan
    - zh_CN, courtesy of 甘露 (Lu Gan)