Updates and Fixes

- Fixed issue with custom page navigation within threads.
- Updated thread page loading error notification.
- The rating control will reset to zero upon a newly loaded page.
- Removed close button from post jump list view. Use the hardware back
button to return to the view screen.
- Added Orientation, Zoom In, and Zoom Out controls to the appbar.
- Properly binded views to their view models.
Tagged as beta 10