Refactor: Move storyboard scene into Storyboard subdirectory.
Made it so clickzone groups can be nested (more than one level).
Make exploration scene title font larger
Track characters in Characters table for later iterating.

Also added some comments briefly describing each character.
Clickzone groups now track their child clickzone groups
Add some simple descriptions to each character
Add a panel in the upper left of the storyboard scene that shows all characters
Add stubs for chapter 2 and 3 to the story
Make exploration scene information box font larger
Make ClickzoneGroup fonts larger
Make character panel more compact.
Show character portraits for each character in the storyboard character panel.
Added tiny portrait for Felis
Some smal cleanup
Refactor: Move generic UI widgets to a "widgets" subdirectory in the UI directory.
Added base widget class
Refactor: make textbox extend the new base widget class.
Refactor: Conflate textboxes with the base UIWidget class.

Now UIWidgets can act as textboxes, so the textbox class is no longer needed.
Decrease storyboard startingYOffset