Hide TabBar during test rather than disable it

fix bug where double tapping the play/pause button caused multiple tones
Add Crashlytics
First attempt at UI design. Flat blue on off white. still has shiny tab bar
Add db seed code to settings, triggered by rotation gesture recognizer
Fix "email this result" button clickabilty issue and set mailer nav bar color to match other bar's tint.
remove custom height of email this result button in table view

on 3.5in iphone screens this causes button to be partially hidden