Remove Xcode beta workaround.
Remove custom CSS feature.
Actually remove effect of "Show Thread Tags" setting.

I knew the cells wouldn't do anything, but I forgot about the table view code
that wouldn't set the image.
Remove interface theming.

Gonna redo it, but for now, it's just clutter.
Set app-wide tint color to something visible.
Hide separators in Leper's Colony table.
Paint the iPad an Awful blue.