test

Revision:
0:4232849417e1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Fri May 19 09:30:31 2017 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#8d21974ba35e04c4854e5090c0f8283171664175