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/mbed.bld	Wed Jan 28 12:45:04 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5
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