FM/SB: Added remove password from logout
- added unsubscribeUser API to Settings View Controller
FM/SB: Updated enum for APIManager
FM/SB: Added Status Update API to iBeaconModule
- Added additional status checks when API returns for Status Update and Unregister calls
- Added utility method to User model for login credentials
- Added in office pivot state to PivotState enum
- Code cleanup
FM/SB: - Made status on TrackablePivot an integer value for enums
- Modified getTrackablePivots API call to filter by status only