Initial prototyping of a less cluttered UI
More prototyping cleaned up UI
Update to UI layout, plus some code polish to reflect the changes.
Fix a typo in UI copy and add constraints to buttons for basic support for 3.5” iPhone screen
More tweaks to the UI
Remove auto-layout constraints
Strip out background colors on UI sections because it was distracting.

Display a message when the nap is in progress.
Merge pull request #19 from wittig/Alternate_UI_01

Alternate ui 01 is adopted as main UI