Add BarButtonItem to open Readability
Apply css to webview
Stop using SVProgressHUD when loading webview
Fix css
Set up loading indicator
Set baseURL when loading Readability HTML
Adjust parameters of loading indicator and pager on timeline
Integrate Pixate and fix design
Stop observing Pixate
Fix css
Set backgroundColor of UIRefreshControl
Hide navigationBar at ReadavilityView
Fix crash bug
Remove ReadabilityActivity because it has another interface to launch
Fix toolbar hiding timing
Fill in form
Integrate SSKeychain to store password safely
Adjust loading timing
Adjust loading timing
update formation to 1.3.1 and add `motion-require' which is required by formation 1.3.1