minor fix to remove startup warning.
fixed (a) data migration bug

in the mapping model, removed the 'notes' relationship mapping from the
UserToUser entity map (bcs there are no notes to move from the previous
version.
Add Unuploaded Note Reupload Mechanism
Again for un-uploaded
final release candidate for version 2

minor bug fix and version number update.
v2.0 as submitted to app store
minor settings screen fix before release goes out.