Log Message:
Update to 1.8.1:

2013-9-22 meld 1.8.1
====================

  Fixes:

    * Add AppData file (Kai Willadsen)
    * Change order of version control selection for CVS and old SVN (Kai
      Willadsen)
    * Fix escaped markup in folder comparisons (Kai Willadsen)

  Translations:

    * Daniel Mustieles (es)
    * Enrico Nicoletto (pt_BR)
    * Gabor Kelemen (hu)
    * Marek Černocký (cs)
    * Milo Casagrande (it)
    * Piotr Drąg (pl)