Fix: minor mispelling.
Fix: recognize empty maps as cleared.
Switch back to Java 6 (not 7 feature used, so stay compatible with as mush as possible).
Remove useless main.
Fix: No auto UTF-8 encoding on Windows.
Store window size in config file.
Use full path to avoid issues on Windows.
Fix: missing newline before UNUSED display.
Manage map loading in background to avoid graphical overload.
Fix: conflict during concurrent calls.
Reorganize code + remove useless ones.
Hide a fature which does not need to be public.
Reorganize code to decouple GUI components.
Store and retrieve window and split positions.
Add confirmation befaore loading/closing if a map has been modified.
Remove obsolete todo.
Update list panel info when saving.
Save on CTRL+S.
Rename config-related constants in a more explicit way.
Add todo.