Plot visualizer:
- Plot visualizer does not need to store theme listener is a field.
CIF simulator GUI input component:
- JavaDocs are more clear about background vs foreground colors.
- Added light and dark theme color schemes and theming support.
- Color composites are now color canvases.
- Setting background color for a component doesn't work.
- Eclipse dark themes overrides it.
- So is now a canvas that is manually painted.
- To allow (re)painting, store color choices in field
choiceColors.
- Added focus listeners to ensure colors 'stick' when using dark theme.
- Improved color markers.
- Previously they were color composites, now color canvases.
- Made them a bit wider, to be better visible.
- Updated CIF simulator documentation.
Addresses #417 (closed)