Fix variant for RFduino board

docs/platforms/creating_platform.rst

@@ -63,7 +63,7 @@ Packages
       - `Arduino Wiring-based Framework (MSP430 Core) <http://arduino.cc/en/Reference/HomePage>`_
 
     * - ``framework-arduinonordicnrf51``
-      - `Arduino Wiring-based Framework (RFDuino Core) <https://github.com/RFduino/RFduino>`_
+      - `Arduino Wiring-based Framework (RFduino Core) <https://github.com/RFduino/RFduino>`_
 
     * - ``framework-arduinosam``
       - `Arduino Wiring-based Framework (SAM Core, 1.6) <http://arduino.cc/en/Reference/HomePage>`_

docs/platforms/nordicnrf51.rst

@@ -38,7 +38,7 @@ Packages
       - `gcc-arm-embedded <https://launchpad.net/gcc-arm-embedded>`_, `GDB <http://www.gnu.org/software/gdb/>`_
 
     * - ``framework-arduinonordicnrf51``
-      - `Arduino Wiring-based Framework (RFDuino Core) <https://github.com/RFduino/RFduino>`_
+      - `Arduino Wiring-based Framework (RFduino Core) <https://github.com/RFduino/RFduino>`_
 
 .. warning::
     **Linux Users:** Don't forget to install "udev" rules file

docs/platforms/nordicnrf51_extra.rst

@@ -15,4 +15,4 @@ Examples
 All project examples are located in PlatformIO repository
 `Examples for Nordic nRF51 platform <https://github.com/platformio/platformio/tree/develop/examples/nordicnrf51>`_.
 
-* `RFDuino iBeacon <https://github.com/platformio/platformio/tree/develop/examples/nordicnrf51/rfduino-ibeacon>`_
+* `RFduino iBeacon <https://github.com/platformio/platformio/tree/develop/examples/nordicnrf51/rfduino-ibeacon>`_

platformio/boards/nordicnrf51.json

@@ -151,7 +151,7 @@
             "ldscript": "RFduino.ld",
             "cpu": "cortex-m0",
             "mcu": "nrf51822",
-            "variant": "rfduino"
+            "variant": "RFduino"
         },
         "frameworks": ["arduino"],
         "name": "RFduino",

platformio/platforms/base.py

@@ -48,7 +48,7 @@ PLATFORM_PACKAGES = {
          "https://github.com/esp8266/Arduino")
     ],
     "framework-arduinonordicnrf51": [
-        ("Arduino Wiring-based Framework (RFDuino Core)",
+        ("Arduino Wiring-based Framework (RFduino Core)",
          "https://github.com/RFduino/RFduino")
     ],
     "framework-energiamsp430": [