Add WYPopoverController and update CocoaPods.

SVProgressHUD has some warnings to ignore now too.

And bump Podfile to iOS 7.0.
Update jump to page controller for iOS 7.
Fix enabling avatars in posts view.

The button got moved, so the avatar has nowhere to be inserted.
Update page settings for iOS 7.
Alphabetize Posts xcodeproj group.
White toolbar!
Expanding split view clips each part to its bounds.
Present, don't push, Awful Browser and profile viewer.