rosie go: fix null copy reporting
rosie go: refactor change
Merge pull request #650 from benfitzpatrick/rosie-go.fix-null-copy

rosie go: fix null copy crash reporting
Make rosie home view navigable.
rose edit: implement fix
rose edit, macro: simplify
Tweaks and improvements.
Merge pull request #652 from arjclark/rosie-back-button

rosie go: make rosie home view navigable.
Fix hanging rose-rug-brief-tour test.
Fix OK logic.
Merge pull request #653 from benfitzpatrick/rose-edit.metadata-ignore-slices

rose edit, macro: implement fix for non-single element array metadata
Merge pull request #658 from matthewrmshin/fix.t.rose-rug-brief-tour

Fix hanging rose-rug-brief-tour test.