Initial version 2.0 commit
Formatting; model and options changes. Comments. Todos
Refactoring checkpoint.
Code formatting.
Code formatting.
Added unit testing.
Code cleanup.
Autolayout Checkpoint
Single-column view working nominally.
Known good option pane.
View refactoring checkpoint.
Code formatting.
Checkpoint for view refactoring, making code work, improvements, etc.
Broke out protocols; reworked includes; minor cleanup.
Spacing.
Formatting tweaks. Property rename.
Code cleanup and property refactoring.
Property cleanup.
Fixed wrong property declaration.
Spacing.