Release 1.9:
- [done] Implement directory diff.
- [done] Right/Left side readonly (preference)
- [done] Ask save settings when closing settings-tab.
- [done] Allow multiple selections in FolderDiffPanel.
- [done] Rescan action in FolderDiffPanel.
- [done] Statusbar should have a bar which tells how far the diff is.
- [done] Exclude filters. (Create preferences and store with jaxb)
- [done] Ignore whitespace in diff.
- [done] Use newest swingx library (JTableTree has changed significantly)
- [done] Click in JTreeTable is forgotten if it is outside length of
- [done] Save-as, Load buttons in settings panel disappear when frame is
made smaller.