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
Updating gitignore.
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
Stubs out Reader ViewControllers and a new datamodel version.
Adds reader API calls to the WordPressComApi.
Adds basic unit tests for the api -- only testing the presence of the end points at this time but something to build on.
Committing progress on data model changes.
Removes the 3.6 model version. Replaces it with version 11.
Adds classes for the reader post and comment models.
Abstracts the abstractpost and comment models so the different post and comment models share inheritance.

Migration is up next.
This is a work in progress, do not build from this commit.
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
Removing obsolete model version reference.
Spelling correction. Ref: http://make.wordpress.org/polyglots/2013/03/29/i-found-a-misspelled-string-while-updating-wordpress
Check for dismissBlock before calling
Updates to Native Reader data models and API calls.
Improvements to unit tests.
Probably close to where we'll end up with the data model.  Might drop the ReaderContext and Reader configuration since they seem superfulous at this point.
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