Dave's iOS7 inspired icon
Remove unused icon.
Lazily create basement's sidebar.
Set basement sidebar selected item when setting basement selected view controller.
Implement vertical tab bar and expanding detail view for iPad.
Add `selectedIndex` property to basement view controller.
Switch iPad to vertical tab bar plus expanding split view.
Fix forum tree controller.

On update, the delegate was being notified with the wrong index path. On
delete, the wrong hidden indexes were shifted.
Fix copyright atop source files.
Set and use the tab bar's tint color.

And document AwfulTabBarButton.