initial simple example that prints to terminal

Dependencies:   MPL3115A2

Revision:
0:97dd02e37c94
diff -r 000000000000 -r 97dd02e37c94 mbed-os.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Sat Aug 13 16:02:39 2016 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#0712b8adf6bbc7eb796d5dac26f95d79d40745ef