Overlay Experiments
Merge remote-tracking branch 'upstream/master'
Xcode crashed during previous merge
Can't continue working until I've figured out why the background is now in the foreground. Committing current working state so I can pull latest upstream master.
Badly broken. Committing current state so I can try merging it into a known-good branch to find the problems
Overlay layer in place, but not displaying all text
Merge remote-tracking branch 'upstream/master'
Merge pull request #15 from pavedwalden/master

Breath warning working, other overlay text mysteriously invisible