Fixed filename error in Settings, which caused default settings to not load properly.
	utils/UIDevice+Hardware.m
Added email field to user registration.
Registered device will now have a more detailed model instead of just iphone/ipad.
Fixed noise sensor.

Don't record when another app is playing audio, as this might lead to audio problems.
Merge branch 'feature-device-details'
Merge branch 'feature-email-registration'
Merge branch 'fix-default-settins'
Merge branch 'fix-noise-sensor'
Merge branch 'master' of https://github.com/senseobservationsystems/sense-ios-library
Fixes.

- noise sensor default setting now correctly set
- remove unused frameworks
- call sensor is available again