Added: callbacks to device model refs #191
Refactored: remove code clone refs #191
Added: apns abstraction layer refs #191
Refactored: APNS abstraction layer refs #191
Refactored: embed APNService refs #191
Changed: send method name because of Object#send refs #191
Merge pull request #191 from mallowlabs/id/191

Need APNS abstraction layer