Test that any two pins don't have short circuit

Dependencies:   BLE_API mbed nRF51822

Revision:
0:bd673d937d4a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BLE_API.lib	Wed Jan 28 12:45:04 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#1407d2f1ce3c