Add copyright to modified files

LICENSE

 Copyright (c) 2015 Arduino LLC.  All right reserved.
+Copyright (c) 2016 Sandeep Mistry All right reserved.
 
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public

boards.txt

 # Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+# Copyright (c) 2016 Sandeep Mistry All right reserved.
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public

cores/nRF5/Uart.cpp

 /*
   Copyright (c) 2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

cores/nRF5/Uart.h

 /*
   Copyright (c) 2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

cores/nRF5/WInterrupts.c

 /*
   Copyright (c) 2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

cores/nRF5/wiring.c

 /*
   Copyright (c) 2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

cores/nRF5/wiring_analog.h

 /*
   Copyright (c) 2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

cores/nRF5/wiring_analog_nRF51.c

 /*
   Copyright (c) 2014 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

cores/nRF5/wiring_analog_nRF52.c

 /*
   Copyright (c) 2014 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

cores/nRF5/wiring_digital.c

 /*
   Copyright (c) 2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

libraries/SPI/SPI.cpp

 /*
- * SPI Master library for Arduino Zero.
+ * SPI Master library for nRF5x.
  * Copyright (c) 2015 Arduino LLC
+ * Copyright (c) 2016 Sandeep Mistry All right reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public

libraries/SPI/SPI.h

 /*
- * SPI Master library for Arduino Zero.
+ * SPI Master library for nRF5x.
  * Copyright (c) 2015 Arduino LLC
+ * Copyright (c) 2016 Sandeep Mistry All right reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public

libraries/Wire/Wire.cpp

 /*
- * TWI/I2C library for Arduino Zero
+ * TWI/I2C library for nRF5x
  * Copyright (c) 2015 Arduino LLC. All rights reserved.
+ * Copyright (c) 2016 Sandeep Mistry All right reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public

libraries/Wire/Wire.h

 /*
- * TWI/I2C library for Arduino Zero
+ * TWI/I2C library for mRF5x
  * Copyright (c) 2015 Arduino LLC. All rights reserved.
+ * Copyright (c) 2016 Sandeep Mistry All right reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public

platform.txt

 # Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+# Copyright (c) 2016 Sandeep Mistry All right reserved.
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public

variants/BluzDK/variant.cpp

 /*
   Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

variants/BluzDK/variant.h

 /*
   Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either

variants/nRF52DK/variant.cpp

 /*
   Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

variants/nRF52DK/variant.h

 /*
   Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either