- Add i18n support.
- Get user-specified icons used by ROX-Filer, i.e. the ones stored as
  paths in that one XML file.
- Honor ROX icon themes.
- Add dnotify support for Linux.
- Add support for running GNOME/KDE .desktop files like AppDirs.
- Think about possibly maybe adding some partial support for the 
  FreeDesktop.org application menu standard at some point. ;-)
- Add a mechanism for fine-grained control of menu contents.  I'm 
  currently thinking of doing per-directory configuration files (maybe
  a custom format, but XML might be better), e.g. a ".rox-menu_config"
  file which, if present, would be parsed when building the menu.  It
  would have options like:
     ignore exp     - don't show file names matching exp in the menu
     merge dir      - merge the contents of directory dir with the 
                      current directory.
     showfiles bool - override the global show files option
     group enum     - override the global file/dir grouping option
     norecurse      - don't recurse through subdirectories.
     nofollow       - don't follow symlinks.
