Also made identity key scanner appear faster. Previously we were
waiting for camera to initialize. Now we do this after the view has
loaded - with a black background, the affect is preferable than
lagging on the transition.
// FREEBIE
- Removes large confusing UX bar and related assets. Replaced with UISwitch.
- Enhanced user experience for missed calls.
- Fixes issue where missed call would appear as incoming call in call log.
- Fixing issues where PushKit handler not called on launch.
