Updates for iOS 7 (which will be required).
More iOS 7 changes.
Fix  search bar background.
Work on the collection view cells: Improved buttons and support for Dynamic Type.
Make sure the cell buttons are visible in all layouts.
Cleanup.
Use relative URLs.
Remove unused submodule. Tweak of cell buttons.
Show figures and tables in a popup panel.
Update button icons.
Use a category instead of a class for colors.
Update articles to relative css and js URLs.
All links have to be changed if the App directory has changed.
Make the popup work with all figures and tables.
Adjust size and position of title label.
Adjust page insets under various conditions.
Initial work on iPhone support.
Work on the reference popover.
More work on iPhone support. A combined navigation and settings popover in a page control.
Longer title possible with one button less.