add iBeacon functionality

Dependencies:   BLE_API mbed-dev-bin nRF51822

Fork of microbit-dal by Ken Ogami

Revision:
76:1eb7931c1b55
Parent:
75:739b6a1c1b50
--- a/mbed-dev-bin.lib	Mon Jul 17 20:49:56 2017 +0000
+++ b/mbed-dev-bin.lib	Mon Jul 17 21:27:47 2017 +0000
@@ -1,1 +1,1 @@
-https://developer.mbed.org/teams/Lancaster-University/code/mbed-dev-bin/#97d461b4d444
+https://developer.mbed.org/users/wwbluetooth/code/mbed-dev-bin/#97d461b4d444