* New speedometer and nitrometer gui
* Update Speedometer and Nitrometer
* Improve nitro background
* Improve nitro bar drawing
* Improved meters
* Improve meter and rank drawing
* Agressive smoothing and higher visibility
* Helper function for meter drawing
* Helper function for meter drawing
* Improved meters
* New nitro bar, slight 3D effects and hopefully fix compilation
* Update license
Changes applied:
*symbol files added
*LabelWidget removed from SkillLevelWidget and replaced by IconButtonWidget
Subsequently variables and method containing Label or Text renamed
setSize method was rewritten
*Unused property "m_label_name" removed from SkillLevelWidget
*Substitution label->icon also introduced renamings in KartStatsWidget.
For instance, setDisplayText is now named setDisplayIcons