Set blink(1) based on Skype for Business or Lync presence state
Lync 2013 / Skype for Business 2016
blink(1) SDK - https://github.com/todbot/blink1/tree/master/windows/ManagedBlink1
Lync 2013 SDK - https://www.microsoft.com/en-us/download/details.aspx?id=36824