The Licence button now pops up a window which shows the GPL in a text widget. Text is loaded at runtime from the installed doc dir. Fixed bugs which broke compile on systems which need the included gettext. Fixed various minor bugs. Removed the test initial values of variables in the Preferences.
Main window can resize down vertically.
Moved icons and test stuff into their own directories. Split the View menu into View and Edit menus. All C converted to GNU-standard identifiers. Added a Stop button to the toolbar. Improved detection of GNU standard targets.