- Add device with the same MAC

Improved : Menu Structure
Added : Global PTZ(Dewarp)

Fixed : minor bug fix

Modified : The operation speed of Double Tapping Function
Added: Stream Quality Selection(Low/High) Button in the Full Screen mode
Added: Dewarp Function in the Full Screen mode
Added: Audio Function in the Full Screen mode

Improved: operation speed of Double Tapping
Added: Ratio Function in Single Live
Added: Ratio Function in Single Playback
Added: 8ch/16ch Layout in Multi Playback

minor bug fixes