Task 4.4.2

Revision:
1:b0f53d2975bd
diff -r 44a74c1bc812 -r b0f53d2975bd mbed-os.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Thu Jul 13 14:55:06 2017 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72