- New GAL draw layers for GerbView
- Improved bounding boxes for Gerber shapes
- Switched to use of SHAPE_POLY_SET for polygons
- Add GAL methods to support selection and rendering
- Add GUI support of editing GAL options
- Rename get/setActiveLayer to Get/SetActiveLayer to match convention
eeschema now supports arbitrary colors for all object types, and
pcbnew does in GAL canvas. When switching from GAL to legacy canvas,
pcbnew will convert colors to the nearest legacy color.