Small Fixes Here and There

A few new things:

• Added power/charger status in settings module (available on select models only)
• Added property on MetaWear indicating its model type
• Added helper function that creates a BFTask to watch for disconnect events
• Added Flat interrupt event to make it more configurable

A few fixed things:

• Fixing battery life read crashes
• Fix some race-condition related crashes
• Improve multiple app error handling
• Fixing issue with trying to scan for both metawear and metaboot.

Sensor Fusion Bugfixes

Couple small fixes to Sensor Fusion including Quaternion format fix.

MetaMotion - Sensor Fusion

New Features:

• This is the initial release of the Sensor Fusion SDK available on the MetaMotion product line.

Fixes:

• Improved Swift 3 naming
• Simplified scan stopping into one stopScan method, added clearDiscoveredDevices to clear the scan list