Inkscape 0.48.4

# Important bugfixes
- A security bug was fixed.
- Some major bugs causing crashes when using extensions or the filters editor were fixed.
- A bug affecting the outline mode was fixed.
- Inkscape can now be built on platforms with new versions of the Poppler library (v0.20 and higher).
- Relative path names can be used again on the command line for EPS/PS and other file types handled by script extensions
# Translations
- Basque, Belarusian, French, Ukrainian: UI translation updated