message: gitian-keys: add CoinForensics key
diff: @@ -7,6 +7,7 @@ E944AE667CF960B1004BC32FCA662BE18B877A60 Andreas Schildbach
  912FD3228387123DC97E0E57D5566241A0295FA9 BtcDrak
  C519EBCF3B926298946783EFF6430754120EC2F4 Christian Decker (cdecker)
  F20F56EF6A067F70E8A5C99FFF95FAA971697405 centaur
  +101598DC823C1B5F9A6624ABA5E0907A0380E6C3 CoinForensics
  C060A6635913D98A3587D7DB1C2491FFEB0EF770 Cory Fields
  BF6273FAEF7CC0BA1F562E50989F6B3048A116B5 Dev Random
  6D3170C1DC2C6FD0AEEBCA6743811D1A26623924 Douglas Roark
  