Log Message:
Update to 1.6.0:

2012-4-28 meld 1.6.0
====================

  Fixes:

    * Fix cursor location handling when our tree models change (Kai Willadsen)

  Translation updates:

    * Bruno Brouard (fr)
    * Daniel Mustieles (es)
    * Daniel Șerbănescu (ro)
    * Fran Diéguez (gl)
    * Marek Černocký (cs)
    * Matej Urbančič (sl)
    * Piotr Drąg (pl)