Add a shortcut to 'Manage Notification' in the Notifications screen. Still missing the correct icons.

git-svn-id: https://ios.svn.wordpress.org/trunk@4016 7d847f7c-ffe1-4a24-85be-b788d016d96a
Switch to automatic animation for cell changes

git-svn-id: https://ios.svn.wordpress.org/trunk@4017 7d847f7c-ffe1-4a24-85be-b788d016d96a
Make "Save Draft" on leaving the editor actually save a draft
Added new WPFLogMethodParam helper function
Better post previews

* Added autosave logic, so unpublished posts can get autosaved remotely
* If online, autosave drafts and show a real preview
* If the post is already published or we're offline, keep showing the simple preview
Implement better previews for pages
Refactor simple previews loading