[$] Working with xdg-app application bundles

One of the oft-recurring topics at GUADEC 2015 wasthe xdg-app application-packaging system currently being developed.Xdg-app's lead developer Alexander Larsson gave a presentation on itscurrent status on the first day, and it featured prominently inChristian Hergert's keynote about reaching new developers as well as inBastien Nocera's talk about hardware enablement. Perhaps the mostpractical discussion of the subject, however, came in StephanBergmann's talk about his recent attempts to bundle LibreOffice intoan xdg-app package.