Cleaned up AboutViewController
More cleanup for AboutViewController.

* Cleaned up header
* Changed constants from #define to CGFloat const
* Removed unnecessary delegate
Minor style changes for AboutViewController
Cleaned up AddSiteViewController
Updating AddSiteViewController as per kokejb's suggestions.
Don't always show friend finder on debug builds

It was helpful while developing it, but now it's mostly annoying
Updated README.md

Added more formatting and links to trac and style guide
Use right page_id attribute to find pages

We were using "postid", but wp.getPages uses "page_id"
That means pageID was always nil on `+ [Page findOrCreateWithBlog:andPageID:]`, and pages were recreated on every sync

refs #1578
Disable remote autosaving

We're disabling this until it's more stable
Fixed orientation bug on iOS5. fixes #1582
Updated translations
Don't succeed media uploads on empty response

In some cases (display_errors Off?) media uploads that run out of memory
would return an empty response. Treat that as a failed upload so it can
be retried/discarded
Spelling correction. Ref: http://make.wordpress.org/polyglots/2013/03/29/i-found-a-misspelled-string-while-updating-wordpress
Check for dismissBlock before calling
Prompt for password when two step asks for app password

If we get a XML-RPC error 425, that means the password was correct, but
two step authentication is enabled, and we need to switch to an app
specific password
Added missing method
Fixed orientation parsing on iOS5
Fixes #1600.  Also fixes an issue where the user's password would disappear after scrolling the view in landscape orientation.
Adds a check for an uploading featured image when there are no other changes.
Fixes #1589.  Props mgcm.