Non-blocking example of the LWIPInterface

Dependencies:   LWIPInterface NetworkSocketAPI mbed-rtos mbed

Non-blocking example for the NetworkSocketAPI. Attempts to get the device's public facing IP address from ifcfg.me using the Happy Eyeballs algorithm to fetch an IPv4 or IPv6 address.

Revision:
70:6563866f9466
Parent:
69:c991ed538a5b
--- a/NetworkSocketAPI.lib	Wed Apr 20 19:51:26 2016 -0500
+++ b/NetworkSocketAPI.lib	Wed Apr 20 20:41:17 2016 -0500
@@ -1,1 +1,1 @@
-https://developer.mbed.org/teams/NetworkSocketAPI/code/NetworkSocketAPI/#ff83eb6a1ab9
+https://developer.mbed.org/teams/NetworkSocketAPI/code/NetworkSocketAPI/#96627c4b83d5