Upstream merge from bleepster: #4672-device

Upstream merge: device (PR #4672)

src/device/device_io_hid.cpp

@@ -1,3 +1,19 @@
+// Copyright (c) 2017-2018, uPlexa Team
+// Copyright (c) 2017-2018, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
 //    used to endorse or promote products derived from this software without specific
 //    prior written permission.
 //