Release 0.20
Sixth release for IsoDumper:
- added function to backup the content of the device before overwriting.
- added Release number in the window title (on isodumper.py).
- use mageia polkit policy instead of usermode. (Thanks to Colin Guthrie)
- replace all windows icons to icon isodumper.
- added and update Makefile for polkit file translation. (Thanks to Yuri Chornoivan)
- improvement po-update.sh script for translations (extract or merge polkit and desktop files translations).
- fix an error space on a translation string (#: lib/isodumper.py:270)
- added and update Estonian, Danish, Czech, Greek and English (United Kingdom) translations.
- updated de,fr,id,ro,sl,sv,zh_TW,tr,uk,pt_BR,ru,ro,es,it and pl translations.