Updated the color selector
Ok so I managed to finish the implementation of MR !3737 (closed)
This is what I have done here:
- Rewrote the color selection implementation to better respect the inkscape code guidelines and updated the C code to use modern C++
- Changed the implementation of the color scales to a templated class
- Added an HSLuv color mode to the color scales
- Removed the wheel page from the color selector
- Added a toggle-able color wheel to the HSL, HSV and HSLuv color modes
- Couple of minor bug fixes
Edited by Mike Kowalski
