Updating some strings and adding string descriptions, mostly in the Add more sites section.
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-iOS into develop
Changing video quality strings to be easier to understand, adding better localization descriptions.
Removing sidebar arrow as instructed by @hugobaeta, adding right alignment to site titles.
Updating empty view message and pull-to-refresh to better match styleguide.
Reverting infoview changes to see if it fixes jenkins
Adding updated WP-logo-less empty info view back.
Changed Image Resize strings to make more sense and be more aligned with the Video Quality settings.
Correcting background colors in the Reader's main list.
Updating Notifications lists to conform better to the styleguide, but buttons etc will need to be looked at more.
Unregister notification observer for alert views

Fixes crash when using the link helper a second time
Unregister editor for notifications on dealloc

Until now it was only being removed on dismissEditView, which is called
on cancel or save. Maybe some of the iOS7 multitasking changes are
deallocating the editor while in the background.
Add upload status overlay to failed/pushing media

- Tap to retry and red for failed

- Tap to cancel and spinning blue arrows for uploading

- More padding added for title on media library
Scrollable fields within the editing popup
Much better iOS7 blur effect with backward compat

- Uses the UIToolbar's layer for the blur effect
Merge branch 'develop' of github.com:wordpress-mobile/WordPress-iOS into feature/ios7-media-library