v0.5 - Edge color + Language fixes

- CHANGED - the min and max value of the Color Variation Slider
- ADDED - Edge Color Slider - You have to use the slider to increase it's intensity to make it visiblie, just move the color window a bit.
- ADDED - A little tip to the top of the color picker window, it is wasn't clear that it is moveable
- FIXES - in Traditional Chinese translation
- FIXES - in Italian translation
- FIXES - in Turkish translation
- FIXES - in Slovenian translation