update 'Save to Evernote' UI (in progress)
Support for linked default notebooks on createNote under app notebook auth.
Pending a service side change to accept an empty notebookGuid, but client note store auth flow now correct.
Also "SNA" -> "app notebook"
update notebook picker cell in 'Save to Evernote' view controller
Cache notebook list results in memory for 5 minutes.
Expose -appNotebookIsLinked to advanced consumers of the SDK.
Handle failures on the main queue.
This was causing connection failures to fall into a hole and never complete.