Use subviews instead of drawing on the image.
Add support for delete key(s).
Improve UI.
Work on reduced size image.
Datums working.
File formats working but only GeoTIFF enabled.
Working well with normalized coordinates.
Round trip working via GCP.
Improve GCP table and data.
Add comments.
Update build number.
Trying to coax Xcode into giving me a chance to log in to github.