0.8.3 "Freedom is nothing else but the chance to do better. -- Camus" - 2012/04/15

Fixes:
  * Fix missing header for Glib::signal_idle (#667349)
  * Call startup defined in GApplication
  * Remove mnemonic references in documentation (#670916)
  * Fix slection deletion and remembering it
  * Fix quit application for glib >= 2.32 (#670104)
  * Remove use of GtkStyle (#667395)
  * Fix multiple compiler warnings

Translations:
  * Updated translations:
    - Czech (cs)
    - Danish (da)
    - French (fr)
    - German (de)
    - Hungarian (hu)
    - Indonesian (id)
    - Japanese (ja)
    - Latvian (lv)
    - Lithuanian (lt)
    - Polish (pl)
    - Slovenian (sl)
    - Spanish (es)
    - Swedish (sv)
  * Added Slovenian (sl) manual