Awful Browser can rotate to landscape on iOS 5.
Brighter action icons.

@ridilla pointed out the color burn fill mode for the gradient. Some tweaking
later, it looks much nicer!
Fix Instapaper login sheet enter key and report invalid username/password error.
Add format attribute for compile-time checking.
Widen jump-to-page picker.
Highlight quotes that don't link back to the post.
Greatly improve accessibility of new action sheets.

VoiceOver will no longer read out the content behind the sheet. The cursor is
moved to the sheet when it's presented. And the buttons on the sheet are
properly sized and marked as buttons.