New category colors

[irgolic]

Use with biolab/orange-canvas-core#175

Description of changes

• new category colors
• pyqtgraph fixes (WIP)

Includes

• Code changes
• Tests
• Documentation

[codecov]

Codecov Report

Merging #5287 (8263d9c) into master (878ea9b) will decrease coverage by 2.20%.
The diff coverage is 88.54%.

❗ Current head 8263d9c differs from pull request most recent head a0ae4fe. Consider uploading reports for the commit a0ae4fe to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5287      +/-   ##
==========================================
- Coverage   87.40%   85.21%   -2.20%     
==========================================
  Files         317      300      -17     
  Lines       68228    61215    -7013     
==========================================
- Hits        59634    52163    -7471     
- Misses       8594     9052     +458     

[janezd]

Is this still relevant? To my understanding, this was moved to #5526, which has already been merged.

[markotoplak]

I cleaned this up a bit. I removed parts that were already merged or were already implemented differently. This leaves category colors.

[markotoplak]

The modifications here use the same colors as defined in this file. The (afterwards) added Preprocess category is missing.

orange_baloons_colors.pdf