Solution to Task 6.1.7 Note the order in which the locks are taken. Updated for mbed os 5.4

Fork of Task617Solution-mbedos54 by Stage-1 Students SoCEM

Revision:
6:d16ce38e9b8a
Parent:
5:31707531f715
--- a/mbed-rtos.lib	Wed Mar 09 17:55:53 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://mbed.org/users/mbed_official/code/mbed-rtos/#b4c5542476ba