Speedometer

Apr 28, 2017

Changes:
- Huge update of theming engine. New user preferences are available, see "Appearance" tab when changing theme:
- New theme modes: "Light" and "Day / Night".
- Possibility to change main window background color.
- Swap colors on speedometer view.
- Default theme is now blue-gray and main window background is set to dark shade of color by default.
- Added 2 new themes.
- Updated some translations.