Sleek / Mbed 2 deprecated BLE_Button-mid

Test

Dependencies:   BLE_API mbed nRF51822

Diff: BLE_API.lib

Revision:
0:21763f3c9ec5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BLE_API.lib	Mon Jun 12 15:10:24 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#65474dc93927