Added control to handle state edition.
Increased font size.
Moved generation controls to an outer control.
Setting class is now public.
Fixed the size of the text field.
For now startup dimensions of the app are those of the main UI.
Revised layout for the main UI.
User can now save, load or reset states.
Fixed a couple of issues in the infection editor when removing or adding states.
Changed the preview presentation to separate states from each other.